Powershell Script - Error "Unable to index into an object of type System.Management.Automation.PSObject"

This is my second PowerShell question in the last 20 mins...

So another Powershell that should be obvious, but isn't working for me.  It's another one from the MS website.

function Get-ComputerAssetInformation
{
    <#
    .SYNOPSIS
       Get inventory data for specified computer systems.
    .DESCRIPTION
       Gather inventory data for one or more systems using wmi. Data proccessing utilizes multiple runspaces
	   and supports custom timeout parameters in case of wmi problems. You can optionally include 
	   drive, memory, and network information in the results. You can view verbose information on each 
	   runspace thread in realtime with the -Verbose option.
    .PARAMETER ComputerName
       Specifies the target computer for data query.
    .PARAMETER IncludeMemoryInfo
       Include information about the memory arrays and the installed memory within them. (_Memory and _MemoryArray)
    .PARAMETER IncludeDiskInfo
       Include disk partition and mount point information. (_Disks)
    .PARAMETER IncludeNetworkInfo
       Include general network configuration for enabled interfaces. (_Network)
    .PARAMETER ThrottleLimit
       Specifies the maximum number of systems to inventory simultaneously 
    .PARAMETER Timeout
       Specifies the maximum time in second command can run in background before terminating this thread.
    .PARAMETER ShowProgress
       Show progress bar information
    .PARAMETER PromptForCredential
       Prompt for remote system credential prior to processing request.
    .PARAMETER Credential
       Accept alternate credential (ignored if the localhost is processed)
    .EXAMPLE
       PS > Get-ComputerAssetInformation -ComputerName test1
     
            ComputerName        : TEST1
            IsVirtual           : False
            Model               : ProLiant DL380 G7
            ChassisModel        : Rack Mount Unit
            OperatingSystem     : Microsoft Windows Server 2008 R2 Enterprise 
            OSServicePack       : 1
            OSVersion           : 6.1.7601
            OSSKU               : Enterprise Server Edition
            OSArchitecture      : x64
            SystemArchitecture  : x64
            PhysicalMemoryTotal : 12.0 GB
            PhysicalMemoryFree  : 621.7 MB
            VirtualMemoryTotal  : 24.0 GB
            VirtualMemoryFree   : 5.7 GB
            CPUCores            : 24
            CPUSockets          : 2
            SystemTime          : 08/04/2013 20:33:47
            LastBootTime        : 07/16/2013 07:42:01
            InstallDate         : 07/02/2011 17:52:34
            Uptime              : 19 days 12 hours 51 minutes
     
       Description
       -----------
       Query and display basic information ablout computer test1

    .EXAMPLE
       PS > $cred = Get-Credential
       PS > $b = Get-ComputerAssetInformation -ComputerName Test1 -Credential $cred -IncludeMemoryInfo 
       PS > $b | Select MemorySlotsTotal,MemorySlotsUsed | fl

       MemorySlotsTotal : 18
       MemorySlotsUsed  : 6
       
       PS > $b._Memory | Select DeviceLocator,@{n='MemorySize'; e={$_.Capacity/1Gb}}

       DeviceLocator                                                                   MemorySize
       -------------                                                                   ----------
       PROC 1 DIMM 3A                                                                           2
       PROC 1 DIMM 6B                                                                           2
       PROC 1 DIMM 9C                                                                           2
       PROC 2 DIMM 3A                                                                           2
       PROC 2 DIMM 6B                                                                           2
       PROC 2 DIMM 9C                                                                           2
       
       Description
       -----------
       Query information about computer test1 using alternate credentials, including detailed memory information. Return
       physical memory slots available and in use. Then display the memory location and size.
    .EXAMPLE
        PS > $a = Get-ComputerAssetInformation -IncludeDiskInfo -IncludeMemoryInfo -IncludeNetworkInfo
        PS > $a._MemorySlots | ft

        Label      Bank        Detail           FormFactor      Capacity
        -----      ----        ------           ----------      --------
        BANK 0     Bank 1      Synchronous      SODIMM              4096
        BANK 2     Bank 2      Synchronous      SODIMM              4096
        
       Description
       -----------
       Query local computer for all information, store the results in $a, then show the memory slot utilization in further
       detail in tabular form.
    .EXAMPLE
        PS > (Get-ComputerAssetInformation -IncludeDiskInfo)._Disks

        Drive            : C:
        DiskType         : Partition
        Description      : Installable File System
        VolumeName       : 
        PercentageFree   : 10.64
        Disk             : \\.\PHYSICALDRIVE0
        SerialNumber     :       0SGDENZA091227
        FreeSpace        : 6.3 GB
        PrimaryPartition : True
        DiskSize         : 59.6 GB
        Model            : SAMSUNG SSD PM800 TH 64G
        Partition        : Disk #0, Partition #0

        Description
        -----------
        Query information about computer, include disk information, and immediately display it.

    .NOTES
       Originally posted at: http://learn-powershell.net/2013/05/08/scripting-games-2013-event-2-favorite-and-not-so-favorite/
       Author: Zachary Loeber
       Props To: David Lee (www.linkedin.com/pub/david-lee/2/686/482/) - Helped to troubleshoot and resolve numerous aspects of this script
       Site: http://www.the-little-things.net/
       Requires: Powershell 2.0
       Info: WMI prefered over CIM as there no speed advantage using cimsessions in multithreading against old systems. Starting
             around line 263 you can modify the WMI_<Property>Props arrays to include extra wmi data for each element should you
             require information I may have missed. You can also change the default display properties by modifying $defaultProperties.
             Keep in mind that including extra elements like the drive space and network information will increase the processing time per
             system. You may need to increase the timeout parameter accordingly.
       
       Version History
       1.1.6 - 8/19/2013
        - Refactored the date/time calculations to be less region specific.
        - Added PercentPhysicalMemoryUsed to general info section
       1.1.5 - 8/16/2013
        - Fixed minor powershell 2.0 compatibility issue with empty array detection in the mountpoint calculation area.
       1.1.4 - 8/15/2013
        - Fixed cpu architecture determination logic (again).
        - Included _MemorySlots in the memory results option. This includes an array of objects describing the memory
          array, which slots are utilized, and what type of ram is utilizing them.
        - Added RAM lookup tables for memory model and  details.
       1.1.3 - 8/13/2013
        - Fixed improper variable assignment for virtual platform detection
        - Changed network connection results to simply include all adapters, connected or not and include a new derived property called 
          'ConnectionStatus'. This fixes a backwards compatibility issue with pre-2008 servers  and network detection.
        - Added nic promiscuous mode detection for adapters. 
            (http://praetorianprefect.com/archives/2009/09/whos-being-promiscuous-in-your-active-directory/)
       1.1.2 - 8/12/2013
        - Fixed a backward compatibility bug with SystemArchitecture and OSArchitecture properties
        - Added the actual network adapter display name to the _Network results.
        - Added another example in the comment based help   
       1.1.1 - 8/7/2013
        - Added wmi BIOS information to results (as _BIOS)
        - Added IsVirtual and VirtualType to default result properties
       1.1.0 - 8/3/2013
        - Added several parameters
        - Removed parameter sets in favor of arrays of custom object as note properties
        - Removed ICMP response requirements
        - Included more verbose runspace logging    
       1.0.2 - 8/2/2013
        - Split out system and OS architecture (changing how each it determined)
       1.0.1 - 8/1/2013
        - Updated to include several more bits of information and customization variables
       1.0.0 - ???
        - Discovered original script on the internet and totally was blown away at how awesome it is.
    #>
    [CmdletBinding()]
    Param
    (
        [Parameter(ValueFromPipeline=$true,
                   ValueFromPipelineByPropertyName=$true,
                   Position=0)]
        [ValidateNotNullOrEmpty()]
        [Alias('DNSHostName','PSComputerName')]
        [string[]]
        $ComputerName=$env:computername,
        
        [Parameter()]
        [switch]
        $IncludeMemoryInfo,
 
        [Parameter()]
        [switch]
        $IncludeDiskInfo,
 
        [Parameter()]
        [switch]
        $IncludeNetworkInfo,
       
        [Parameter()]
        [ValidateRange(1,65535)]
        [int32]
        $ThrottleLimit = 32,
 
        [Parameter()]
        [ValidateRange(1,65535)]
        [int32]
        $Timeout = 120,
 
        [Parameter()]
        [switch]
        $ShowProgress,
        
        [Parameter()]
        [switch]
        $PromptForCredential,
        
        [Parameter()]
        [System.Management.Automation.Credential()]
        $Credential = [System.Management.Automation.PSCredential]::Empty
    )

    Begin
    {
        # Gather possible local host names and IPs to prevent credential utilization in some cases
        Write-Verbose -Message 'Creating local hostname list'
        $IPAddresses = [net.dns]::GetHostAddresses($env:COMPUTERNAME) | Select-Object -ExpandProperty IpAddressToString
        $HostNames = $IPAddresses | ForEach-Object {
            try {
                [net.dns]::GetHostByAddress($_)
            } catch {
                # We do not care about errors here...
            }
        } | Select-Object -ExpandProperty HostName -Unique
        $LocalHost = @('', '.', 'localhost', $env:COMPUTERNAME, '::1', '127.0.0.1') + $IPAddresses + $HostNames
 
        Write-Verbose -Message 'Creating initial variables'
        $runspacetimers       = [HashTable]::Synchronized(@{})
        $runspaces            = New-Object -TypeName System.Collections.ArrayList
        $bgRunspaceCounter    = 0
        
        if ($PromptForCredential)
        {
            $Credential = Get-Credential
        }
        
        Write-Verbose -Message 'Creating Initial Session State'
        $iss = [System.Management.Automation.Runspaces.InitialSessionState]::CreateDefault()
        foreach ($ExternalVariable in ('runspacetimers', 'Credential', 'LocalHost'))
        {
            Write-Verbose -Message "Adding variable $ExternalVariable to initial session state"
            $iss.Variables.Add((New-Object -TypeName System.Management.Automation.Runspaces.SessionStateVariableEntry -ArgumentList $ExternalVariable, (Get-Variable -Name $ExternalVariable -ValueOnly), ''))
        }
        
        Write-Verbose -Message 'Creating runspace pool'
        $rp = [System.Management.Automation.Runspaces.RunspaceFactory]::CreateRunspacePool(1, $ThrottleLimit, $iss, $Host)
        $rp.Open()
 
        # This is the actual code called for each computer
        Write-Verbose -Message 'Defining background runspaces scriptblock'
        $ScriptBlock = {
            [CmdletBinding()]
            Param
            (
                [Parameter(Position=0)]
                [string]
                $ComputerName,
 
                [Parameter(Position=1)]
                [int]
                $bgRunspaceID,
          
                [Parameter()]
                [switch]
                $IncludeMemoryInfo,
         
                [Parameter()]
                [switch]
                $IncludeDiskInfo,
         
                [Parameter()]
                [switch]
                $IncludeNetworkInfo
            )
            $runspacetimers.$bgRunspaceID = Get-Date
            
            try
            {
                Write-Verbose -Message ('Runspace {0}: Start' -f $ComputerName)
                $WMIHast = @{
                    ComputerName = $ComputerName
                    ErrorAction = 'Stop'
                }
                if (($LocalHost -notcontains $ComputerName) -and ($Credential -ne $null))
                {
                    $WMIHast.Credential = $Credential
                }

                #Due to some bug setting scriptblock directly as value can cause 'NullReferenceException' in v3 host
                $ReadableOutput = @{
                    Name = 'ToString'
                    MemberType = 'ScriptMethod'
                    PassThru = $true
                    Force = $true
                    Value = [ScriptBlock]::Create(@"
                        "{0:N1} {1}" -f @(
                            switch -Regex ([math]::Log(`$this,1024)) {
                                ^0 {
                                    (`$this / 1), ' B'
                                }
                                ^1 {
                                    (`$this / 1KB), 'KB'
                                }
                                ^2 {
                                    (`$this / 1MB), 'MB'
                                }
                                ^3 {
                                    (`$this / 1GB), 'GB'
                                }
                                ^4 {
                                    (`$this / 1TB), 'TB'
                                }
                                default {
                                    (`$this / 1PB), 'PB'
                                }
                            }
                        )
"@
                    )
                }
                
                #region GeneralInfo
                Write-Verbose -Message ('Runspace {0}: General asset information' -f $ComputerName)
                ## Lookup arrays
                $SKUs   = @("Undefined","Ultimate Edition","Home Basic Edition","Home Basic Premium Edition","Enterprise Edition",`
                            "Home Basic N Edition","Business Edition","Standard Server Edition","DatacenterServer Edition","Small Business Server Edition",`
                            "Enterprise Server Edition","Starter Edition","Datacenter Server Core Edition","Standard Server Core Edition",`
                            "Enterprise ServerCoreEdition","Enterprise Server Edition for Itanium-Based Systems","Business N Edition","Web Server Edition",`
                            "Cluster Server Edition","Home Server Edition","Storage Express Server Edition","Storage Standard Server Edition",`
                            "Storage Workgroup Server Edition","Storage Enterprise Server Edition","Server For Small Business Edition","Small Business Server Premium Edition")
                $ChassisModels = @("PlaceHolder","Maybe Virtual Machine","Unknown","Desktop","Thin Desktop","Pizza Box","Mini Tower","Full Tower","Portable",`
                                   "Laptop","Notebook","Hand Held","Docking Station","All in One","Sub Notebook","Space-Saving","Lunch Box","Main System Chassis",`
                                   "Lunch Box","SubChassis","Bus Expansion Chassis","Peripheral Chassis","Storage Chassis" ,"Rack Mount Unit","Sealed-Case PC")
                $NetConnectionStatus = @('Disconnected','Connecting','Connected','Disconnecting','Hardware not present','Hardware disabled','Hardware malfunction',`
                                         'Media disconnected','Authenticating','Authentication succeeded','Authentication failed','Invalid address','Credentials required')
                $MemoryModels = @("Unknown","Other","SIP","DIP","ZIP","SOJ","Proprietary","SIMM","DIMM","TSOP","PGA","RIMM",`
                                  "SODIMM","SRIMM","SMD","SSMP","QFP","TQFP","SOIC","LCC","PLCC","BGA","FPBGA","LGA")
                $MemoryDetail = @{
                    '1' = 'Reserved'
                    '2' = 'Other'
                    '4' = 'Unknown'
                    '8' = 'Fast-paged'
                    '16' = 'Static column'
                    '32' = 'Pseudo-static'
                    '64' = 'RAMBUS'
                    '128' = 'Synchronous'
                    '256' = 'CMOS'
                    '512' = 'EDO'
                    '1024' = 'Window DRAM'
                    '2048' = 'Cache DRAM'
                    '4096' = 'Nonvolatile'
                }

                # Modify this variable to change your default set of display properties
                $defaultProperties = @('ComputerName','IsVirtual','Model','ChassisModel','OperatingSystem','OSServicePack','OSVersion','OSSKU', `
                                       'OSArchitecture','SystemArchitecture','PhysicalMemoryTotal','PhysicalMemoryFree','VirtualMemoryTotal', `
                                       'VirtualMemoryFree','CPUCores','CPUSockets','SystemTime','LastBootTime','InstallDate','Uptime')
                # WMI Properties
                $WMI_OSProps = @('BuildNumber','Version','SerialNumber','ServicePackMajorVersion','CSDVersion','SystemDrive',`
                                 'SystemDirectory','WindowsDirectory','Caption','TotalVisibleMemorySize','FreePhysicalMemory',`
                                 'TotalVirtualMemorySize','FreeVirtualMemory','OSArchitecture','Organization','LocalDateTime',`
                                 'RegisteredUser','OperatingSystemSKU','OSType','LastBootUpTime','InstallDate')
                $WMI_ProcProps = @('Name','Description','MaxClockSpeed','CurrentClockSpeed','AddressWidth','NumberOfCores','NumberOfLogicalProcessors', `
                                   'DataWidth')
                $WMI_CompProps = @('DNSHostName','Domain','Manufacturer','Model','NumberOfLogicalProcessors','NumberOfProcessors','PrimaryOwnerContact', `
                                   'PrimaryOwnerName','TotalPhysicalMemory')
                $WMI_ChassisProps = @('ChassisTypes','Manufacturer','SerialNumber','Tag','SKU')
                $WMI_BIOSProps = @('Version','SerialNumber')
                
                # WMI data
                $wmi_compsystem = Get-WmiObject @WMIHast -Class Win32_ComputerSystem | select $WMI_CompProps
                $wmi_os = Get-WmiObject @WMIHast -Class Win32_OperatingSystem | select $WMI_OSProps
                $wmi_proc = Get-WmiObject @WMIHast -Class Win32_Processor | select $WMI_ProcProps
                $wmi_chassis = Get-WmiObject @WMIHast -Class Win32_SystemEnclosure | select $WMI_ChassisProps
                $wmi_bios = Get-WmiObject @WMIHast -Class Win32_BIOS | select $WMI_BIOSProps

                ## Calculated properties
                # CPU count
                if (@($wmi_proc)[0].NumberOfCores) #Modern OS
                {
                    $Sockets = @($wmi_proc).Count
                    $Cores = ($wmi_proc | Measure-Object -Property NumberOfLogicalProcessors -Sum).Sum
                }
                else #Legacy OS
                {
                    $Sockets = @($wmi_proc | Select-Object -Property SocketDesignation -Unique).Count
                    $Cores = @($wmi_proc).Count
                }
                
                # OperatingSystemSKU is not availble in 2003 and XP
                if ($wmi_os.OperatingSystemSKU -ne $null)
                {
                    $OS_SKU = $SKUs[$wmi_os.OperatingSystemSKU]
                }
                else
                {
                    $OS_SKU = 'Not Available'
                }
               
                $temptime = ([wmi]'').ConvertToDateTime($wmi_os.LocalDateTime)
                $System_Time = "$($temptime.ToShortDateString()) $($temptime.ToShortTimeString())"

                $temptime = ([wmi]'').ConvertToDateTime($wmi_os.LastBootUptime)
                $OS_LastBoot = "$($temptime.ToShortDateString()) $($temptime.ToShortTimeString())"
                
                $temptime = ([wmi]'').ConvertToDateTime($wmi_os.LastBootUptime)
                $OS_InstallDate = "$($temptime.ToShortDateString()) $($temptime.ToShortTimeString())"
                
                $Uptime = New-TimeSpan -Start $OS_LastBoot -End $System_Time
                $IsVirtual = $false
                $VirtualType = ''
                if ($wmi_bios.Version -match "VIRTUAL") 
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Hyper-V"
                }
                elseif ($wmi_bios.Version -match "A M I") 
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Virtual PC"
                }
                elseif ($wmi_bios.Version -like "*Xen*") 
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Xen"
                }
                elseif ($wmi_bios.SerialNumber -like "*VMware*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - VMWare"
                }
                elseif ($wmi_compsystem.manufacturer -like "*Microsoft*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Hyper-V"
                }
                elseif ($wmi_compsystem.manufacturer -like "*VMWare*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - VMWare"
                }
                elseif ($wmi_compsystem.model -like "*Virtual*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Unknown Virtual Machine"
                }
                $ResultProperty = @{
                    ### Defaults
                    'PSComputerName' = $ComputerName
                    'IsVirtual' = $IsVirtual
                    'VirtualType' = $VirtualType 
                    'Model' = $wmi_compsystem.Model
                    'ChassisModel' = $ChassisModels[$wmi_chassis.ChassisTypes[0]]
                    'ComputerName' = $wmi_compsystem.DNSHostName                        
                    'OperatingSystem' = $wmi_os.Caption
                    'OSServicePack' = $wmi_os.ServicePackMajorVersion
                    'OSVersion' = $wmi_os.Version
                    'OSSKU' = $OS_SKU
                    'OSArchitecture' = "x" + $wmi_proc[0].AddressWidth
                    'SystemArchitecture' = "x" + $wmi_proc[0].DataWidth
                    'PhysicalMemoryTotal' = ($wmi_os.TotalVisibleMemorySize * 1024) | Add-Member @ReadableOutput
                    'PhysicalMemoryFree' = ($wmi_os.FreePhysicalMemory * 1024) | Add-Member @ReadableOutput
                    'PercentPhysicalMemoryUsed' = [math]::round(((($wmi_os.TotalVisibleMemorySize - $wmi_os.FreePhysicalMemory)/$wmi_os.TotalVisibleMemorySize) * 100),2)
                    'VirtualMemoryTotal' = ($wmi_os.TotalVirtualMemorySize * 1024) | Add-Member @ReadableOutput
                    'VirtualMemoryFree' = ($wmi_os.FreeVirtualMemory * 1024) | Add-Member @ReadableOutput
                    'CPUCores' = $Cores
                    'CPUSockets' = $Sockets
                    'LastBootTime' = $OS_LastBoot
                    'InstallDate' = $OS_InstallDate
                    'SystemTime' = $System_Time
                    'Uptime' = "$($Uptime.days) days $($Uptime.hours) hours $($Uptime.minutes) minutes"
                    '_BIOS' = $wmi_bios
                    '_OS' = $wmi_os
                    '_System' = $wmi_compsystem
                    '_Processor' = $wmi_proc
                    '_Chassis' = $wmi_chassis
                }
                #endregion GeneralInfo
                
                #region Memory
                if ($IncludeMemoryInfo)
                {
                    Write-Verbose -Message ('Runspace {0}: Memory information' -f $ComputerName)
                    $WMI_MemProps = @('BankLabel','DeviceLocator','Capacity','PartNumber','Speed','Tag','FormFactor','TypeDetail')
                    $WMI_MemArrayProps = @('Tag','MemoryDevices','MaxCapacity')
                    $wmi_memory = Get-WmiObject @WMIHast -Class Win32_PhysicalMemory | select $WMI_MemProps
                    $wmi_memoryarray = Get-WmiObject @WMIHast -Class Win32_PhysicalMemoryArray | select $WMI_MemArrayProps
                    
                    # Memory Calcs
                    $Memory_Slotstotal = 0
                    $Memory_SlotsUsed = (@($wmi_memory)).Count                
                    @($wmi_memoryarray) | % {$Memory_Slotstotal = $Memory_Slotstotal + $_.MemoryDevices}
                    
                    # Add to the existing property set
                    $ResultProperty.MemorySlotsTotal = $Memory_Slotstotal
                    $ResultProperty.MemorySlotsUsed = $Memory_SlotsUsed
                    $ResultProperty._MemoryArray = $wmi_memoryarray
                    $ResultProperty._Memory = $wmi_memory
                    
                    # Add a few of these properties to our default property set
                    $defaultProperties += 'MemorySlotsTotal'
                    $defaultProperties += 'MemorySlotsUsed'
                    
                    # Add a more detailed memory slot utilization object array (cause I'm nice)
                    $membankcounter = 1
                    $MemorySlotOutput = @()
                    foreach ($obj1 in $wmi_memoryarray)
                    {
                        $slots = $obj1.MemoryDevices + 1
                            
                        foreach ($obj2 in $wmi_memory)
                        {
                            if($obj2.BankLabel -eq "")
                            {
                                $MemLabel = $obj2.DeviceLocator
                            }
                            else
                            {
                                $MemLabel = $obj2.BankLabel
                            }       
                            $slotprops = @{
                                'Bank' = "Bank " + $membankcounter
                                'Label' = $MemLabel
                                'Capacity' = $obj2.Capacity/1024/1024
                                'FormFactor' = $MemoryModels[$obj2.FormFactor]
                                'Detail' = $MemoryDetail[[string]$obj2.TypeDetail]
                            }
                            $MemorySlotOutput += New-Object PSObject -Property $slotprops
                            $membankcounter = $membankcounter + 1
                        }
                        while($membankcounter -lt $slots)
                        {
                            $slotprops = @{
                                'Bank' = "Bank " + $membankcounter
                                'Label' = "EMPTY"
                                'Capacity' = "0"
                                'FormFactor' = "EMPTY"
                                'Detail' = "EMPTY"
                            }
                            $MemorySlotOutput += New-Object PSObject -Property $slotprops
                            $membankcounter = $membankcounter + 1
                        }
                    }
                    $ResultProperty._MemorySlots = $MemorySlotOutput
                }
                #endregion Memory
                
                #region Network
                if ($IncludeNetworkInfo)
                {
                    Write-Verbose -Message ('Runspace {0}: Network information' -f $ComputerName)
                    $wmi_netadapters = Get-WmiObject @WMIHast -Class Win32_NetworkAdapter
                    $alladapters = @()
                    ForEach ($adapter in $wmi_netadapters)
                    {  
                        $wmi_netconfig = Get-WmiObject @WMIHast -Class Win32_NetworkAdapterConfiguration `
                                                                -Filter "Index = '$($Adapter.Index)'"
                        $wmi_promisc = Get-WmiObject @WMIHast -Class MSNdis_CurrentPacketFilter `
                                                              -Namespace 'root\WMI' `
                                                              -Filter "InstanceName = '$($Adapter.Name)'"
                        $promisc = $False
                        if ($wmi_promisc.NdisCurrentPacketFilter -band 0x00000020)
                        {
                            $promisc = $True
                        }
                        
                        $NetConStat = ''
                        if ($adapter.NetConnectionStatus -ne $null)
                        {
                            $NetConStat = $NetConnectionStatus[$adapter.NetConnectionStatus]
                        }
                        $alladapters += New-Object PSObject -Property @{
                              NetworkName = $adapter.NetConnectionID
                              AdapterName = $adapter.Name
                              ConnectionStatus = $NetConStat
                              Index = $wmi_netconfig.Index
                              IpAddress = $wmi_netconfig.IpAddress
                              IpSubnet = $wmi_netconfig.IpSubnet
                              MACAddress = $wmi_netconfig.MACAddress
                              DefaultIPGateway = $wmi_netconfig.DefaultIPGateway
                              Description = $wmi_netconfig.Description
                              InterfaceIndex = $wmi_netconfig.InterfaceIndex
                              DHCPEnabled = $wmi_netconfig.DHCPEnabled
                              DHCPServer = $wmi_netconfig.DHCPServer
                              DNSDomain = $wmi_netconfig.DNSDomain
                              DNSDomainSuffixSearchOrder = $wmi_netconfig.DNSDomainSuffixSearchOrder
                              DomainDNSRegistrationEnabled = $wmi_netconfig.DomainDNSRegistrationEnabled
                              WinsPrimaryServer = $wmi_netconfig.WinsPrimaryServer
                              WinsSecondaryServer = $wmi_netconfig.WinsSecondaryServer
                              PromiscuousMode = $promisc
                       }
                    }
                    $ResultProperty._Network = $alladapters
                }                    
                #endregion Network
                
                #region Disk
                if ($IncludeDiskInfo)
                {
                    Write-Verbose -Message ('Runspace {0}: Disk information' -f $ComputerName)
                    $WMI_DiskPartProps    = @('DiskIndex','Index','Name','DriveLetter','Caption','Capacity','FreeSpace','SerialNumber')
                    $WMI_DiskVolProps     = @('Name','DriveLetter','Caption','Capacity','FreeSpace','SerialNumber')
                    $WMI_DiskMountProps   = @('Name','Label','Caption','Capacity','FreeSpace','Compressed','PageFilePresent','SerialNumber')
                    
                    # WMI data
                    $wmi_diskdrives = Get-WmiObject @WMIHast -Class Win32_DiskDrive | select $WMI_DiskDriveProps
                    $wmi_mountpoints = Get-WmiObject @WMIHast -Class Win32_Volume -Filter "DriveType=3 AND DriveLetter IS NULL" | select $WMI_DiskMountProps
                    
                    $AllDisks = @()
                    foreach ($diskdrive in $wmi_diskdrives) 
                    {
                        $partitionquery = "ASSOCIATORS OF {Win32_DiskDrive.DeviceID=`"$($diskdrive.DeviceID.replace('\','\\'))`"} WHERE AssocClass = Win32_DiskDriveToDiskPartition"
                        $partitions = @(Get-WmiObject @WMIHast -Query $partitionquery)
                        foreach ($partition in $partitions)
                        {
                            $logicaldiskquery = "ASSOCIATORS OF {Win32_DiskPartition.DeviceID=`"$($partition.DeviceID)`"} WHERE AssocClass = Win32_LogicalDiskToPartition"
                            $logicaldisks = @(Get-WmiObject @WMIHast -Query $logicaldiskquery)
                            foreach ($logicaldisk in $logicaldisks)
                            {
                               $diskprops = @{
                                               Disk = $diskdrive.Name
                                               Model = $diskdrive.Model
                                               Partition = $partition.Name
                                               Description = $partition.Description
                                               PrimaryPartition = $partition.PrimaryPartition
                                               VolumeName = $logicaldisk.VolumeName
                                               Drive = $logicaldisk.Name
                                               DiskSize = $logicaldisk.Size | Add-Member @ReadableOutput
                                               FreeSpace = $logicaldisk.FreeSpace | Add-Member @ReadableOutput
                                               PercentageFree = [math]::round((($logicaldisk.FreeSpace/$logicaldisk.Size)*100), 2)
                                               DiskType = 'Partition'
                                               SerialNumber = $diskdrive.SerialNumber
                                             }
                                $AllDisks += New-Object psobject -Property $diskprops
                            }
                        }
                    }
                    # Mountpoints are wierd so we do them seperate.
                    if ($wmi_mountpoints)
                    {
                        foreach ($mountpoint in $wmi_mountpoints)
                        {                    
                            $diskprops = @{
                                   Disk = $mountpoint.Name
                                   Model = ''
                                   Partition = ''
                                   Description = $mountpoint.Caption
                                   PrimaryPartition = ''
                                   VolumeName = ''
                                   VolumeSerialNumber = ''
                                   Drive = [Regex]::Match($mountpoint.Caption, "^.:\\").Value
                                   DiskSize = $mountpoint.Capacity  | Add-Member @ReadableOutput
                                   FreeSpace = $mountpoint.FreeSpace  | Add-Member @ReadableOutput
                                   PercentageFree = [math]::round((($mountpoint.FreeSpace/$mountpoint.Capacity)*100), 2)
                                   DiskType = 'MountPoint'
                                   SerialNumber = $mountpoint.SerialNumber
                                 }
                            $AllDisks += New-Object psobject -Property $diskprops
                        }
                    }
                    $ResultProperty._Disks = $AllDisks
                }
                #endregion Disk
                
                # Final output
                $ResultObject = New-Object -TypeName PSObject -Property $ResultProperty

                # Setup the default properties for output
                $ResultObject.PSObject.TypeNames.Insert(0,'My.Asset.Info')
                $defaultDisplayPropertySet = New-Object System.Management.Automation.PSPropertySet(‘DefaultDisplayPropertySet’,[string[]]$defaultProperties)
                $PSStandardMembers = [System.Management.Automation.PSMemberInfo[]]@($defaultDisplayPropertySet)
                $ResultObject | Add-Member MemberSet PSStandardMembers $PSStandardMembers

                Write-Output -InputObject $ResultObject
            }
            catch
            {
                Write-Warning -Message ('{0}: {1}' -f $ComputerName, $_.Exception.Message)
            }
            Write-Verbose -Message ('Runspace {0}: End' -f $ComputerName)
        }
 
        function Get-Result
        {
            [CmdletBinding()]
            Param 
            (
                [switch]$Wait
            )
            do
            {
                $More = $false
                foreach ($runspace in $runspaces)
                {
                    $StartTime = $runspacetimers.($runspace.ID)
                    if ($runspace.Handle.isCompleted)
                    {
                        Write-Verbose -Message ('Thread done for {0}' -f $runspace.IObject)
                        $runspace.PowerShell.EndInvoke($runspace.Handle)
                        $runspace.PowerShell.Dispose()
                        $runspace.PowerShell = $null
                        $runspace.Handle = $null
                    }
                    elseif ($runspace.Handle -ne $null)
                    {
                        $More = $true
                    }
                    if ($Timeout -and $StartTime)
                    {
                        if ((New-TimeSpan -Start $StartTime).TotalSeconds -ge $Timeout -and $runspace.PowerShell)
                        {
                            Write-Warning -Message ('Timeout {0}' -f $runspace.IObject)
                            $runspace.PowerShell.Dispose()
                            $runspace.PowerShell = $null
                            $runspace.Handle = $null
                        }
                    }
                }
                if ($More -and $PSBoundParameters['Wait'])
                {
                    Start-Sleep -Milliseconds 100
                }
                foreach ($threat in $runspaces.Clone())
                {
                    if ( -not $threat.handle)
                    {
                        Write-Verbose -Message ('Removing {0} from runspaces' -f $threat.IObject)
                        $runspaces.Remove($threat)
                    }
                }
                if ($ShowProgress)
                {
                    $ProgressSplatting = @{
                        Activity = 'Getting asset info'
                        Status = '{0} of {1} total threads done' -f ($bgRunspaceCounter - $runspaces.Count), $bgRunspaceCounter
                        PercentComplete = ($bgRunspaceCounter - $runspaces.Count) / $bgRunspaceCounter * 100
                    }
                    Write-Progress @ProgressSplatting
                }
            }
            while ($More -and $PSBoundParameters['Wait'])
        }
    }
    Process
    {
        foreach ($Computer in $ComputerName)
        {
            $bgRunspaceCounter++
            $psCMD = [System.Management.Automation.PowerShell]::Create().AddScript($ScriptBlock)
            $null = $psCMD.AddParameter('bgRunspaceID',$bgRunspaceCounter)
            $null = $psCMD.AddParameter('ComputerName',$Computer)
            $null = $psCMD.AddParameter('IncludeMemoryInfo',$IncludeMemoryInfo)
            $null = $psCMD.AddParameter('IncludeDiskInfo',$IncludeDiskInfo)
            $null = $psCMD.AddParameter('IncludeNetworkInfo',$IncludeNetworkInfo)
            $null = $psCMD.AddParameter('Verbose',$VerbosePreference)               # Passthrough the hidden verbose option so write-verbose works within the runspaces
            $psCMD.RunspacePool = $rp
 
            Write-Verbose -Message ('Starting {0}' -f $Computer)
            [void]$runspaces.Add(@{
                Handle = $psCMD.BeginInvoke()
                PowerShell = $psCMD
                IObject = $Computer
                ID = $bgRunspaceCounter
                })
           Get-Result
        }
    }
 
    End
    {
        Get-Result -Wait
        if ($ShowProgress)
        {
            Write-Progress -Activity 'Getting asset info' -Status 'Done' -Completed
        }
        Write-Verbose -Message "Closing runspace pool"
        $rp.Close()
        $rp.Dispose()
    }
}

Open in new window


I'm running it by using the simple example contained at the top of the script, but I get this error:

. .\Get-ComputerAssetInformation.ps1
Get-ComputerAssetInformation -ComputerName localhost -ShowProgress

WARNING: localhost: Unable to index into an object of type System.Management.Automation.PSObject.
LVL 13
Mark DamenERP System ManagerAsked:
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I wear a lot of hats...

"The solutions and answers provided on Experts Exchange have been extremely helpful to me over the last few years. I wear a lot of hats - Developer, Database Administrator, Help Desk, etc., so I know a lot of things but not a lot about one thing. Experts Exchange gives me answers from people who do know a lot about one thing, in a easy to use platform." -Todd S.

footechCommented:
Usually when there is an error it will include additional information like where the error occurred.  If you could included a screenshot of the console that would probably be helpful.  But in any case, if you're just doing localhost, you don't have to specify anything for the -computername parameter as it defaults to the name of the local computer.
0
Mark DamenERP System ManagerAuthor Commented:
I tried without the parameter, but got the same error.  This is a prebuilt script from MS, why doesn't it just work? Don't imagine the script itself is wrong, must have been downloaded by lots of people!
0
footechCommented:
It's not from MS.  From where you said you found it, it's just probably just hosted on their script repository and anyone can post a script there.  I think if you look at the page it will say how many times it's been downloaded.  Check out it's Q&A to see if anyone else posted a problem with it.  It's not too uncommon for people to find errors in a script.  But given the version history included in the script, I agree that the bugs have probably already been worked out.  Can you post a link to where you found this?  And again, how about a screenshot of the error?
0
Making Bulk Changes to Active Directory

Watch this video to see how easy it is to make mass changes to Active Directory from an external text file without using complicated scripts.

Mark DamenERP System ManagerAuthor Commented:
Screen shot
The second PC I expect to fail because of permissions, but local should be just fine as you can see from the title bar Powershell is running as Admin.
0
footechCommented:
What's your OS and PowerShell version?

It may be possible to see the complete error by running
$error[0]
right after you run the function.

If not, run this.  I have commented out some code which intercepts the error (I think it's being generated by line 373).  Then paste another screenshot.
function Get-ComputerAssetInformation
{
    <#
    .SYNOPSIS
       Get inventory data for specified computer systems.
    .DESCRIPTION
       Gather inventory data for one or more systems using wmi. Data proccessing utilizes multiple runspaces
	   and supports custom timeout parameters in case of wmi problems. You can optionally include 
	   drive, memory, and network information in the results. You can view verbose information on each 
	   runspace thread in realtime with the -Verbose option.
    .PARAMETER ComputerName
       Specifies the target computer for data query.
    .PARAMETER IncludeMemoryInfo
       Include information about the memory arrays and the installed memory within them. (_Memory and _MemoryArray)
    .PARAMETER IncludeDiskInfo
       Include disk partition and mount point information. (_Disks)
    .PARAMETER IncludeNetworkInfo
       Include general network configuration for enabled interfaces. (_Network)
    .PARAMETER ThrottleLimit
       Specifies the maximum number of systems to inventory simultaneously 
    .PARAMETER Timeout
       Specifies the maximum time in second command can run in background before terminating this thread.
    .PARAMETER ShowProgress
       Show progress bar information
    .PARAMETER PromptForCredential
       Prompt for remote system credential prior to processing request.
    .PARAMETER Credential
       Accept alternate credential (ignored if the localhost is processed)
    .EXAMPLE
       PS > Get-ComputerAssetInformation -ComputerName test1
     
            ComputerName        : TEST1
            IsVirtual           : False
            Model               : ProLiant DL380 G7
            ChassisModel        : Rack Mount Unit
            OperatingSystem     : Microsoft Windows Server 2008 R2 Enterprise 
            OSServicePack       : 1
            OSVersion           : 6.1.7601
            OSSKU               : Enterprise Server Edition
            OSArchitecture      : x64
            SystemArchitecture  : x64
            PhysicalMemoryTotal : 12.0 GB
            PhysicalMemoryFree  : 621.7 MB
            VirtualMemoryTotal  : 24.0 GB
            VirtualMemoryFree   : 5.7 GB
            CPUCores            : 24
            CPUSockets          : 2
            SystemTime          : 08/04/2013 20:33:47
            LastBootTime        : 07/16/2013 07:42:01
            InstallDate         : 07/02/2011 17:52:34
            Uptime              : 19 days 12 hours 51 minutes
     
       Description
       -----------
       Query and display basic information ablout computer test1

    .EXAMPLE
       PS > $cred = Get-Credential
       PS > $b = Get-ComputerAssetInformation -ComputerName Test1 -Credential $cred -IncludeMemoryInfo 
       PS > $b | Select MemorySlotsTotal,MemorySlotsUsed | fl

       MemorySlotsTotal : 18
       MemorySlotsUsed  : 6
       
       PS > $b._Memory | Select DeviceLocator,@{n='MemorySize'; e={$_.Capacity/1Gb}}

       DeviceLocator                                                                   MemorySize
       -------------                                                                   ----------
       PROC 1 DIMM 3A                                                                           2
       PROC 1 DIMM 6B                                                                           2
       PROC 1 DIMM 9C                                                                           2
       PROC 2 DIMM 3A                                                                           2
       PROC 2 DIMM 6B                                                                           2
       PROC 2 DIMM 9C                                                                           2
       
       Description
       -----------
       Query information about computer test1 using alternate credentials, including detailed memory information. Return
       physical memory slots available and in use. Then display the memory location and size.
    .EXAMPLE
        PS > $a = Get-ComputerAssetInformation -IncludeDiskInfo -IncludeMemoryInfo -IncludeNetworkInfo
        PS > $a._MemorySlots | ft

        Label      Bank        Detail           FormFactor      Capacity
        -----      ----        ------           ----------      --------
        BANK 0     Bank 1      Synchronous      SODIMM              4096
        BANK 2     Bank 2      Synchronous      SODIMM              4096
        
       Description
       -----------
       Query local computer for all information, store the results in $a, then show the memory slot utilization in further
       detail in tabular form.
    .EXAMPLE
        PS > (Get-ComputerAssetInformation -IncludeDiskInfo)._Disks

        Drive            : C:
        DiskType         : Partition
        Description      : Installable File System
        VolumeName       : 
        PercentageFree   : 10.64
        Disk             : \\.\PHYSICALDRIVE0
        SerialNumber     :       0SGDENZA091227
        FreeSpace        : 6.3 GB
        PrimaryPartition : True
        DiskSize         : 59.6 GB
        Model            : SAMSUNG SSD PM800 TH 64G
        Partition        : Disk #0, Partition #0

        Description
        -----------
        Query information about computer, include disk information, and immediately display it.

    .NOTES
       Originally posted at: http://learn-powershell.net/2013/05/08/scripting-games-2013-event-2-favorite-and-not-so-favorite/
       Author: Zachary Loeber
       Props To: David Lee (www.linkedin.com/pub/david-lee/2/686/482/) - Helped to troubleshoot and resolve numerous aspects of this script
       Site: http://www.the-little-things.net/
       Requires: Powershell 2.0
       Info: WMI prefered over CIM as there no speed advantage using cimsessions in multithreading against old systems. Starting
             around line 263 you can modify the WMI_<Property>Props arrays to include extra wmi data for each element should you
             require information I may have missed. You can also change the default display properties by modifying $defaultProperties.
             Keep in mind that including extra elements like the drive space and network information will increase the processing time per
             system. You may need to increase the timeout parameter accordingly.
       
       Version History
       1.1.6 - 8/19/2013
        - Refactored the date/time calculations to be less region specific.
        - Added PercentPhysicalMemoryUsed to general info section
       1.1.5 - 8/16/2013
        - Fixed minor powershell 2.0 compatibility issue with empty array detection in the mountpoint calculation area.
       1.1.4 - 8/15/2013
        - Fixed cpu architecture determination logic (again).
        - Included _MemorySlots in the memory results option. This includes an array of objects describing the memory
          array, which slots are utilized, and what type of ram is utilizing them.
        - Added RAM lookup tables for memory model and  details.
       1.1.3 - 8/13/2013
        - Fixed improper variable assignment for virtual platform detection
        - Changed network connection results to simply include all adapters, connected or not and include a new derived property called 
          'ConnectionStatus'. This fixes a backwards compatibility issue with pre-2008 servers  and network detection.
        - Added nic promiscuous mode detection for adapters. 
            (http://praetorianprefect.com/archives/2009/09/whos-being-promiscuous-in-your-active-directory/)
       1.1.2 - 8/12/2013
        - Fixed a backward compatibility bug with SystemArchitecture and OSArchitecture properties
        - Added the actual network adapter display name to the _Network results.
        - Added another example in the comment based help   
       1.1.1 - 8/7/2013
        - Added wmi BIOS information to results (as _BIOS)
        - Added IsVirtual and VirtualType to default result properties
       1.1.0 - 8/3/2013
        - Added several parameters
        - Removed parameter sets in favor of arrays of custom object as note properties
        - Removed ICMP response requirements
        - Included more verbose runspace logging    
       1.0.2 - 8/2/2013
        - Split out system and OS architecture (changing how each it determined)
       1.0.1 - 8/1/2013
        - Updated to include several more bits of information and customization variables
       1.0.0 - ???
        - Discovered original script on the internet and totally was blown away at how awesome it is.
    #>
    [CmdletBinding()]
    Param
    (
        [Parameter(ValueFromPipeline=$true,
                   ValueFromPipelineByPropertyName=$true,
                   Position=0)]
        [ValidateNotNullOrEmpty()]
        [Alias('DNSHostName','PSComputerName')]
        [string[]]
        $ComputerName=$env:computername,
        
        [Parameter()]
        [switch]
        $IncludeMemoryInfo,
 
        [Parameter()]
        [switch]
        $IncludeDiskInfo,
 
        [Parameter()]
        [switch]
        $IncludeNetworkInfo,
       
        [Parameter()]
        [ValidateRange(1,65535)]
        [int32]
        $ThrottleLimit = 32,
 
        [Parameter()]
        [ValidateRange(1,65535)]
        [int32]
        $Timeout = 120,
 
        [Parameter()]
        [switch]
        $ShowProgress,
        
        [Parameter()]
        [switch]
        $PromptForCredential,
        
        [Parameter()]
        [System.Management.Automation.Credential()]
        $Credential = [System.Management.Automation.PSCredential]::Empty
    )

    Begin
    {
        # Gather possible local host names and IPs to prevent credential utilization in some cases
        Write-Verbose -Message 'Creating local hostname list'
        $IPAddresses = [net.dns]::GetHostAddresses($env:COMPUTERNAME) | Select-Object -ExpandProperty IpAddressToString
        $HostNames = $IPAddresses | ForEach-Object {
            try {
                [net.dns]::GetHostByAddress($_)
            } catch {
                # We do not care about errors here...
            }
        } | Select-Object -ExpandProperty HostName -Unique
        $LocalHost = @('', '.', 'localhost', $env:COMPUTERNAME, '::1', '127.0.0.1') + $IPAddresses + $HostNames
 
        Write-Verbose -Message 'Creating initial variables'
        $runspacetimers       = [HashTable]::Synchronized(@{})
        $runspaces            = New-Object -TypeName System.Collections.ArrayList
        $bgRunspaceCounter    = 0
        
        if ($PromptForCredential)
        {
            $Credential = Get-Credential
        }
        
        Write-Verbose -Message 'Creating Initial Session State'
        $iss = [System.Management.Automation.Runspaces.InitialSessionState]::CreateDefault()
        foreach ($ExternalVariable in ('runspacetimers', 'Credential', 'LocalHost'))
        {
            Write-Verbose -Message "Adding variable $ExternalVariable to initial session state"
            $iss.Variables.Add((New-Object -TypeName System.Management.Automation.Runspaces.SessionStateVariableEntry -ArgumentList $ExternalVariable, (Get-Variable -Name $ExternalVariable -ValueOnly), ''))
        }
        
        Write-Verbose -Message 'Creating runspace pool'
        $rp = [System.Management.Automation.Runspaces.RunspaceFactory]::CreateRunspacePool(1, $ThrottleLimit, $iss, $Host)
        $rp.Open()
 
        # This is the actual code called for each computer
        Write-Verbose -Message 'Defining background runspaces scriptblock'
        $ScriptBlock = {
            [CmdletBinding()]
            Param
            (
                [Parameter(Position=0)]
                [string]
                $ComputerName,
 
                [Parameter(Position=1)]
                [int]
                $bgRunspaceID,
          
                [Parameter()]
                [switch]
                $IncludeMemoryInfo,
         
                [Parameter()]
                [switch]
                $IncludeDiskInfo,
         
                [Parameter()]
                [switch]
                $IncludeNetworkInfo
            )
            $runspacetimers.$bgRunspaceID = Get-Date
            
<#            try
            {
#>                Write-Verbose -Message ('Runspace {0}: Start' -f $ComputerName)
                $WMIHast = @{
                    ComputerName = $ComputerName
                    ErrorAction = 'Stop'
                }
                if (($LocalHost -notcontains $ComputerName) -and ($Credential -ne $null))
                {
                    $WMIHast.Credential = $Credential
                }

                #Due to some bug setting scriptblock directly as value can cause 'NullReferenceException' in v3 host
                $ReadableOutput = @{
                    Name = 'ToString'
                    MemberType = 'ScriptMethod'
                    PassThru = $true
                    Force = $true
                    Value = [ScriptBlock]::Create(@"
                        "{0:N1} {1}" -f @(
                            switch -Regex ([math]::Log(`$this,1024)) {
                                ^0 {
                                    (`$this / 1), ' B'
                                }
                                ^1 {
                                    (`$this / 1KB), 'KB'
                                }
                                ^2 {
                                    (`$this / 1MB), 'MB'
                                }
                                ^3 {
                                    (`$this / 1GB), 'GB'
                                }
                                ^4 {
                                    (`$this / 1TB), 'TB'
                                }
                                default {
                                    (`$this / 1PB), 'PB'
                                }
                            }
                        )
"@
                    )
                }
                
                #region GeneralInfo
                Write-Verbose -Message ('Runspace {0}: General asset information' -f $ComputerName)
                ## Lookup arrays
                $SKUs   = @("Undefined","Ultimate Edition","Home Basic Edition","Home Basic Premium Edition","Enterprise Edition",`
                            "Home Basic N Edition","Business Edition","Standard Server Edition","DatacenterServer Edition","Small Business Server Edition",`
                            "Enterprise Server Edition","Starter Edition","Datacenter Server Core Edition","Standard Server Core Edition",`
                            "Enterprise ServerCoreEdition","Enterprise Server Edition for Itanium-Based Systems","Business N Edition","Web Server Edition",`
                            "Cluster Server Edition","Home Server Edition","Storage Express Server Edition","Storage Standard Server Edition",`
                            "Storage Workgroup Server Edition","Storage Enterprise Server Edition","Server For Small Business Edition","Small Business Server Premium Edition")
                $ChassisModels = @("PlaceHolder","Maybe Virtual Machine","Unknown","Desktop","Thin Desktop","Pizza Box","Mini Tower","Full Tower","Portable",`
                                   "Laptop","Notebook","Hand Held","Docking Station","All in One","Sub Notebook","Space-Saving","Lunch Box","Main System Chassis",`
                                   "Lunch Box","SubChassis","Bus Expansion Chassis","Peripheral Chassis","Storage Chassis" ,"Rack Mount Unit","Sealed-Case PC")
                $NetConnectionStatus = @('Disconnected','Connecting','Connected','Disconnecting','Hardware not present','Hardware disabled','Hardware malfunction',`
                                         'Media disconnected','Authenticating','Authentication succeeded','Authentication failed','Invalid address','Credentials required')
                $MemoryModels = @("Unknown","Other","SIP","DIP","ZIP","SOJ","Proprietary","SIMM","DIMM","TSOP","PGA","RIMM",`
                                  "SODIMM","SRIMM","SMD","SSMP","QFP","TQFP","SOIC","LCC","PLCC","BGA","FPBGA","LGA")
                $MemoryDetail = @{
                    '1' = 'Reserved'
                    '2' = 'Other'
                    '4' = 'Unknown'
                    '8' = 'Fast-paged'
                    '16' = 'Static column'
                    '32' = 'Pseudo-static'
                    '64' = 'RAMBUS'
                    '128' = 'Synchronous'
                    '256' = 'CMOS'
                    '512' = 'EDO'
                    '1024' = 'Window DRAM'
                    '2048' = 'Cache DRAM'
                    '4096' = 'Nonvolatile'
                }

                # Modify this variable to change your default set of display properties
                $defaultProperties = @('ComputerName','IsVirtual','Model','ChassisModel','OperatingSystem','OSServicePack','OSVersion','OSSKU', `
                                       'OSArchitecture','SystemArchitecture','PhysicalMemoryTotal','PhysicalMemoryFree','VirtualMemoryTotal', `
                                       'VirtualMemoryFree','CPUCores','CPUSockets','SystemTime','LastBootTime','InstallDate','Uptime')
                # WMI Properties
                $WMI_OSProps = @('BuildNumber','Version','SerialNumber','ServicePackMajorVersion','CSDVersion','SystemDrive',`
                                 'SystemDirectory','WindowsDirectory','Caption','TotalVisibleMemorySize','FreePhysicalMemory',`
                                 'TotalVirtualMemorySize','FreeVirtualMemory','OSArchitecture','Organization','LocalDateTime',`
                                 'RegisteredUser','OperatingSystemSKU','OSType','LastBootUpTime','InstallDate')
                $WMI_ProcProps = @('Name','Description','MaxClockSpeed','CurrentClockSpeed','AddressWidth','NumberOfCores','NumberOfLogicalProcessors', `
                                   'DataWidth')
                $WMI_CompProps = @('DNSHostName','Domain','Manufacturer','Model','NumberOfLogicalProcessors','NumberOfProcessors','PrimaryOwnerContact', `
                                   'PrimaryOwnerName','TotalPhysicalMemory')
                $WMI_ChassisProps = @('ChassisTypes','Manufacturer','SerialNumber','Tag','SKU')
                $WMI_BIOSProps = @('Version','SerialNumber')
                
                # WMI data
                $wmi_compsystem = Get-WmiObject @WMIHast -Class Win32_ComputerSystem | select $WMI_CompProps
                $wmi_os = Get-WmiObject @WMIHast -Class Win32_OperatingSystem | select $WMI_OSProps
                $wmi_proc = Get-WmiObject @WMIHast -Class Win32_Processor | select $WMI_ProcProps
                $wmi_chassis = Get-WmiObject @WMIHast -Class Win32_SystemEnclosure | select $WMI_ChassisProps
                $wmi_bios = Get-WmiObject @WMIHast -Class Win32_BIOS | select $WMI_BIOSProps

                ## Calculated properties
                # CPU count
                if (@($wmi_proc)[0].NumberOfCores) #Modern OS
                {
                    $Sockets = @($wmi_proc).Count
                    $Cores = ($wmi_proc | Measure-Object -Property NumberOfLogicalProcessors -Sum).Sum
                }
                else #Legacy OS
                {
                    $Sockets = @($wmi_proc | Select-Object -Property SocketDesignation -Unique).Count
                    $Cores = @($wmi_proc).Count
                }
                
                # OperatingSystemSKU is not availble in 2003 and XP
                if ($wmi_os.OperatingSystemSKU -ne $null)
                {
                    $OS_SKU = $SKUs[$wmi_os.OperatingSystemSKU]
                }
                else
                {
                    $OS_SKU = 'Not Available'
                }
               
                $temptime = ([wmi]'').ConvertToDateTime($wmi_os.LocalDateTime)
                $System_Time = "$($temptime.ToShortDateString()) $($temptime.ToShortTimeString())"

                $temptime = ([wmi]'').ConvertToDateTime($wmi_os.LastBootUptime)
                $OS_LastBoot = "$($temptime.ToShortDateString()) $($temptime.ToShortTimeString())"
                
                $temptime = ([wmi]'').ConvertToDateTime($wmi_os.LastBootUptime)
                $OS_InstallDate = "$($temptime.ToShortDateString()) $($temptime.ToShortTimeString())"
                
                $Uptime = New-TimeSpan -Start $OS_LastBoot -End $System_Time
                $IsVirtual = $false
                $VirtualType = ''
                if ($wmi_bios.Version -match "VIRTUAL") 
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Hyper-V"
                }
                elseif ($wmi_bios.Version -match "A M I") 
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Virtual PC"
                }
                elseif ($wmi_bios.Version -like "*Xen*") 
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Xen"
                }
                elseif ($wmi_bios.SerialNumber -like "*VMware*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - VMWare"
                }
                elseif ($wmi_compsystem.manufacturer -like "*Microsoft*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - Hyper-V"
                }
                elseif ($wmi_compsystem.manufacturer -like "*VMWare*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Virtual - VMWare"
                }
                elseif ($wmi_compsystem.model -like "*Virtual*")
                {
                    $IsVirtual = $true
                    $VirtualType = "Unknown Virtual Machine"
                }
                $ResultProperty = @{
                    ### Defaults
                    'PSComputerName' = $ComputerName
                    'IsVirtual' = $IsVirtual
                    'VirtualType' = $VirtualType 
                    'Model' = $wmi_compsystem.Model
                    'ChassisModel' = $ChassisModels[$wmi_chassis.ChassisTypes[0]]
                    'ComputerName' = $wmi_compsystem.DNSHostName                        
                    'OperatingSystem' = $wmi_os.Caption
                    'OSServicePack' = $wmi_os.ServicePackMajorVersion
                    'OSVersion' = $wmi_os.Version
                    'OSSKU' = $OS_SKU
                    'OSArchitecture' = "x" + $wmi_proc[0].AddressWidth
                    'SystemArchitecture' = "x" + $wmi_proc[0].DataWidth
                    'PhysicalMemoryTotal' = ($wmi_os.TotalVisibleMemorySize * 1024) | Add-Member @ReadableOutput
                    'PhysicalMemoryFree' = ($wmi_os.FreePhysicalMemory * 1024) | Add-Member @ReadableOutput
                    'PercentPhysicalMemoryUsed' = [math]::round(((($wmi_os.TotalVisibleMemorySize - $wmi_os.FreePhysicalMemory)/$wmi_os.TotalVisibleMemorySize) * 100),2)
                    'VirtualMemoryTotal' = ($wmi_os.TotalVirtualMemorySize * 1024) | Add-Member @ReadableOutput
                    'VirtualMemoryFree' = ($wmi_os.FreeVirtualMemory * 1024) | Add-Member @ReadableOutput
                    'CPUCores' = $Cores
                    'CPUSockets' = $Sockets
                    'LastBootTime' = $OS_LastBoot
                    'InstallDate' = $OS_InstallDate
                    'SystemTime' = $System_Time
                    'Uptime' = "$($Uptime.days) days $($Uptime.hours) hours $($Uptime.minutes) minutes"
                    '_BIOS' = $wmi_bios
                    '_OS' = $wmi_os
                    '_System' = $wmi_compsystem
                    '_Processor' = $wmi_proc
                    '_Chassis' = $wmi_chassis
                }
                #endregion GeneralInfo
                
                #region Memory
                if ($IncludeMemoryInfo)
                {
                    Write-Verbose -Message ('Runspace {0}: Memory information' -f $ComputerName)
                    $WMI_MemProps = @('BankLabel','DeviceLocator','Capacity','PartNumber','Speed','Tag','FormFactor','TypeDetail')
                    $WMI_MemArrayProps = @('Tag','MemoryDevices','MaxCapacity')
                    $wmi_memory = Get-WmiObject @WMIHast -Class Win32_PhysicalMemory | select $WMI_MemProps
                    $wmi_memoryarray = Get-WmiObject @WMIHast -Class Win32_PhysicalMemoryArray | select $WMI_MemArrayProps
                    
                    # Memory Calcs
                    $Memory_Slotstotal = 0
                    $Memory_SlotsUsed = (@($wmi_memory)).Count                
                    @($wmi_memoryarray) | % {$Memory_Slotstotal = $Memory_Slotstotal + $_.MemoryDevices}
                    
                    # Add to the existing property set
                    $ResultProperty.MemorySlotsTotal = $Memory_Slotstotal
                    $ResultProperty.MemorySlotsUsed = $Memory_SlotsUsed
                    $ResultProperty._MemoryArray = $wmi_memoryarray
                    $ResultProperty._Memory = $wmi_memory
                    
                    # Add a few of these properties to our default property set
                    $defaultProperties += 'MemorySlotsTotal'
                    $defaultProperties += 'MemorySlotsUsed'
                    
                    # Add a more detailed memory slot utilization object array (cause I'm nice)
                    $membankcounter = 1
                    $MemorySlotOutput = @()
                    foreach ($obj1 in $wmi_memoryarray)
                    {
                        $slots = $obj1.MemoryDevices + 1
                            
                        foreach ($obj2 in $wmi_memory)
                        {
                            if($obj2.BankLabel -eq "")
                            {
                                $MemLabel = $obj2.DeviceLocator
                            }
                            else
                            {
                                $MemLabel = $obj2.BankLabel
                            }       
                            $slotprops = @{
                                'Bank' = "Bank " + $membankcounter
                                'Label' = $MemLabel
                                'Capacity' = $obj2.Capacity/1024/1024
                                'FormFactor' = $MemoryModels[$obj2.FormFactor]
                                'Detail' = $MemoryDetail[[string]$obj2.TypeDetail]
                            }
                            $MemorySlotOutput += New-Object PSObject -Property $slotprops
                            $membankcounter = $membankcounter + 1
                        }
                        while($membankcounter -lt $slots)
                        {
                            $slotprops = @{
                                'Bank' = "Bank " + $membankcounter
                                'Label' = "EMPTY"
                                'Capacity' = "0"
                                'FormFactor' = "EMPTY"
                                'Detail' = "EMPTY"
                            }
                            $MemorySlotOutput += New-Object PSObject -Property $slotprops
                            $membankcounter = $membankcounter + 1
                        }
                    }
                    $ResultProperty._MemorySlots = $MemorySlotOutput
                }
                #endregion Memory
                
                #region Network
                if ($IncludeNetworkInfo)
                {
                    Write-Verbose -Message ('Runspace {0}: Network information' -f $ComputerName)
                    $wmi_netadapters = Get-WmiObject @WMIHast -Class Win32_NetworkAdapter
                    $alladapters = @()
                    ForEach ($adapter in $wmi_netadapters)
                    {  
                        $wmi_netconfig = Get-WmiObject @WMIHast -Class Win32_NetworkAdapterConfiguration `
                                                                -Filter "Index = '$($Adapter.Index)'"
                        $wmi_promisc = Get-WmiObject @WMIHast -Class MSNdis_CurrentPacketFilter `
                                                              -Namespace 'root\WMI' `
                                                              -Filter "InstanceName = '$($Adapter.Name)'"
                        $promisc = $False
                        if ($wmi_promisc.NdisCurrentPacketFilter -band 0x00000020)
                        {
                            $promisc = $True
                        }
                        
                        $NetConStat = ''
                        if ($adapter.NetConnectionStatus -ne $null)
                        {
                            $NetConStat = $NetConnectionStatus[$adapter.NetConnectionStatus]
                        }
                        $alladapters += New-Object PSObject -Property @{
                              NetworkName = $adapter.NetConnectionID
                              AdapterName = $adapter.Name
                              ConnectionStatus = $NetConStat
                              Index = $wmi_netconfig.Index
                              IpAddress = $wmi_netconfig.IpAddress
                              IpSubnet = $wmi_netconfig.IpSubnet
                              MACAddress = $wmi_netconfig.MACAddress
                              DefaultIPGateway = $wmi_netconfig.DefaultIPGateway
                              Description = $wmi_netconfig.Description
                              InterfaceIndex = $wmi_netconfig.InterfaceIndex
                              DHCPEnabled = $wmi_netconfig.DHCPEnabled
                              DHCPServer = $wmi_netconfig.DHCPServer
                              DNSDomain = $wmi_netconfig.DNSDomain
                              DNSDomainSuffixSearchOrder = $wmi_netconfig.DNSDomainSuffixSearchOrder
                              DomainDNSRegistrationEnabled = $wmi_netconfig.DomainDNSRegistrationEnabled
                              WinsPrimaryServer = $wmi_netconfig.WinsPrimaryServer
                              WinsSecondaryServer = $wmi_netconfig.WinsSecondaryServer
                              PromiscuousMode = $promisc
                       }
                    }
                    $ResultProperty._Network = $alladapters
                }                    
                #endregion Network
                
                #region Disk
                if ($IncludeDiskInfo)
                {
                    Write-Verbose -Message ('Runspace {0}: Disk information' -f $ComputerName)
                    $WMI_DiskPartProps    = @('DiskIndex','Index','Name','DriveLetter','Caption','Capacity','FreeSpace','SerialNumber')
                    $WMI_DiskVolProps     = @('Name','DriveLetter','Caption','Capacity','FreeSpace','SerialNumber')
                    $WMI_DiskMountProps   = @('Name','Label','Caption','Capacity','FreeSpace','Compressed','PageFilePresent','SerialNumber')
                    
                    # WMI data
                    $wmi_diskdrives = Get-WmiObject @WMIHast -Class Win32_DiskDrive | select $WMI_DiskDriveProps
                    $wmi_mountpoints = Get-WmiObject @WMIHast -Class Win32_Volume -Filter "DriveType=3 AND DriveLetter IS NULL" | select $WMI_DiskMountProps
                    
                    $AllDisks = @()
                    foreach ($diskdrive in $wmi_diskdrives) 
                    {
                        $partitionquery = "ASSOCIATORS OF {Win32_DiskDrive.DeviceID=`"$($diskdrive.DeviceID.replace('\','\\'))`"} WHERE AssocClass = Win32_DiskDriveToDiskPartition"
                        $partitions = @(Get-WmiObject @WMIHast -Query $partitionquery)
                        foreach ($partition in $partitions)
                        {
                            $logicaldiskquery = "ASSOCIATORS OF {Win32_DiskPartition.DeviceID=`"$($partition.DeviceID)`"} WHERE AssocClass = Win32_LogicalDiskToPartition"
                            $logicaldisks = @(Get-WmiObject @WMIHast -Query $logicaldiskquery)
                            foreach ($logicaldisk in $logicaldisks)
                            {
                               $diskprops = @{
                                               Disk = $diskdrive.Name
                                               Model = $diskdrive.Model
                                               Partition = $partition.Name
                                               Description = $partition.Description
                                               PrimaryPartition = $partition.PrimaryPartition
                                               VolumeName = $logicaldisk.VolumeName
                                               Drive = $logicaldisk.Name
                                               DiskSize = $logicaldisk.Size | Add-Member @ReadableOutput
                                               FreeSpace = $logicaldisk.FreeSpace | Add-Member @ReadableOutput
                                               PercentageFree = [math]::round((($logicaldisk.FreeSpace/$logicaldisk.Size)*100), 2)
                                               DiskType = 'Partition'
                                               SerialNumber = $diskdrive.SerialNumber
                                             }
                                $AllDisks += New-Object psobject -Property $diskprops
                            }
                        }
                    }
                    # Mountpoints are wierd so we do them seperate.
                    if ($wmi_mountpoints)
                    {
                        foreach ($mountpoint in $wmi_mountpoints)
                        {                    
                            $diskprops = @{
                                   Disk = $mountpoint.Name
                                   Model = ''
                                   Partition = ''
                                   Description = $mountpoint.Caption
                                   PrimaryPartition = ''
                                   VolumeName = ''
                                   VolumeSerialNumber = ''
                                   Drive = [Regex]::Match($mountpoint.Caption, "^.:\\").Value
                                   DiskSize = $mountpoint.Capacity  | Add-Member @ReadableOutput
                                   FreeSpace = $mountpoint.FreeSpace  | Add-Member @ReadableOutput
                                   PercentageFree = [math]::round((($mountpoint.FreeSpace/$mountpoint.Capacity)*100), 2)
                                   DiskType = 'MountPoint'
                                   SerialNumber = $mountpoint.SerialNumber
                                 }
                            $AllDisks += New-Object psobject -Property $diskprops
                        }
                    }
                    $ResultProperty._Disks = $AllDisks
                }
                #endregion Disk
                
                # Final output
                $ResultObject = New-Object -TypeName PSObject -Property $ResultProperty

                # Setup the default properties for output
                $ResultObject.PSObject.TypeNames.Insert(0,'My.Asset.Info')
                $defaultDisplayPropertySet = New-Object System.Management.Automation.PSPropertySet(‘DefaultDisplayPropertySet’,[string[]]$defaultProperties)
                $PSStandardMembers = [System.Management.Automation.PSMemberInfo[]]@($defaultDisplayPropertySet)
                $ResultObject | Add-Member MemberSet PSStandardMembers $PSStandardMembers

                Write-Output -InputObject $ResultObject
<#            }
            catch
            {
                Write-Warning -Message ('{0}: {1}' -f $ComputerName, $_.Exception.Message)
            }
#>           Write-Verbose -Message ('Runspace {0}: End' -f $ComputerName)
        }
 
        function Get-Result
        {
            [CmdletBinding()]
            Param 
            (
                [switch]$Wait
            )
            do
            {
                $More = $false
                foreach ($runspace in $runspaces)
                {
                    $StartTime = $runspacetimers.($runspace.ID)
                    if ($runspace.Handle.isCompleted)
                    {
                        Write-Verbose -Message ('Thread done for {0}' -f $runspace.IObject)
                        $runspace.PowerShell.EndInvoke($runspace.Handle)
                        $runspace.PowerShell.Dispose()
                        $runspace.PowerShell = $null
                        $runspace.Handle = $null
                    }
                    elseif ($runspace.Handle -ne $null)
                    {
                        $More = $true
                    }
                    if ($Timeout -and $StartTime)
                    {
                        if ((New-TimeSpan -Start $StartTime).TotalSeconds -ge $Timeout -and $runspace.PowerShell)
                        {
                            Write-Warning -Message ('Timeout {0}' -f $runspace.IObject)
                            $runspace.PowerShell.Dispose()
                            $runspace.PowerShell = $null
                            $runspace.Handle = $null
                        }
                    }
                }
                if ($More -and $PSBoundParameters['Wait'])
                {
                    Start-Sleep -Milliseconds 100
                }
                foreach ($threat in $runspaces.Clone())
                {
                    if ( -not $threat.handle)
                    {
                        Write-Verbose -Message ('Removing {0} from runspaces' -f $threat.IObject)
                        $runspaces.Remove($threat)
                    }
                }
                if ($ShowProgress)
                {
                    $ProgressSplatting = @{
                        Activity = 'Getting asset info'
                        Status = '{0} of {1} total threads done' -f ($bgRunspaceCounter - $runspaces.Count), $bgRunspaceCounter
                        PercentComplete = ($bgRunspaceCounter - $runspaces.Count) / $bgRunspaceCounter * 100
                    }
                    Write-Progress @ProgressSplatting
                }
            }
            while ($More -and $PSBoundParameters['Wait'])
        }
    }
    Process
    {
        foreach ($Computer in $ComputerName)
        {
            $bgRunspaceCounter++
            $psCMD = [System.Management.Automation.PowerShell]::Create().AddScript($ScriptBlock)
            $null = $psCMD.AddParameter('bgRunspaceID',$bgRunspaceCounter)
            $null = $psCMD.AddParameter('ComputerName',$Computer)
            $null = $psCMD.AddParameter('IncludeMemoryInfo',$IncludeMemoryInfo)
            $null = $psCMD.AddParameter('IncludeDiskInfo',$IncludeDiskInfo)
            $null = $psCMD.AddParameter('IncludeNetworkInfo',$IncludeNetworkInfo)
            $null = $psCMD.AddParameter('Verbose',$VerbosePreference)               # Passthrough the hidden verbose option so write-verbose works within the runspaces
            $psCMD.RunspacePool = $rp
 
            Write-Verbose -Message ('Starting {0}' -f $Computer)
            [void]$runspaces.Add(@{
                Handle = $psCMD.BeginInvoke()
                PowerShell = $psCMD
                IObject = $Computer
                ID = $bgRunspaceCounter
                })
           Get-Result
        }
    }
 
    End
    {
        Get-Result -Wait
        if ($ShowProgress)
        {
            Write-Progress -Activity 'Getting asset info' -Status 'Done' -Completed
        }
        Write-Verbose -Message "Closing runspace pool"
        $rp.Close()
        $rp.Dispose()
    }
}

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0
Mark DamenERP System ManagerAuthor Commented:
Windows 7 32bit is the OS that I'm running this on.  Powershell V2

This is the result from running $error[0]

PS C:\Users\markdamen\desktop\Powershell> $error[0]
Exception calling "GetHostByAddress" with "1" argument(s): "The requested protocol has not been configured into the system, or no implementation for it exists"
At C:\Users\markdamen\desktop\Powershell\Get-ComputerAssetInformation.ps1:214 char:44
+                 [net.dns]::GetHostByAddress <<<< ($_)
    + CategoryInfo          : NotSpecified: (:) [], MethodInvocationException
    + FullyQualifiedErrorId : DotNetMethodException
0
footechCommented:
Hmm...  That error doesn't match with what we were seeing before.  You could dig through $error to find the right element that matches (i.e. $error[1], $error[2], and so on), but it might quicker if you just run the code I posted above.  While we're at it, go ahead and specify the -verbose parameter.
Get-ComputerAssetInformation -verbose

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0
Mark DamenERP System ManagerAuthor Commented:
OK - with the script that you posted, I can't get past this error:

PS C:\Users\markdamen\Desktop\Powershell> . .\Get-ComputerAssetInformation_v2.ps1
Missing closing ')' in expression.
At C:\Users\markdamen\Desktop\Powershell\Get-ComputerAssetInformation_v2.ps1:326 char:1
+  <<<<
    + CategoryInfo          : ParserError: (CloseParenToken:TokenId) [], ParseException
    + FullyQualifiedErrorId : MissingEndParenthesisInExpression

This is the output from the original script, with -verbose parameter.

PS C:\Users\markdamen\Desktop\Powershell> Get-ComputerAssetInformation -ComputerName martin-pc -verbose
VERBOSE: Creating local hostname list
VERBOSE: Creating initial variables
VERBOSE: Creating Initial Session State
VERBOSE: Adding variable runspacetimers to initial session state
VERBOSE: Adding variable Credential to initial session state
VERBOSE: Adding variable LocalHost to initial session state
VERBOSE: Creating runspace pool
VERBOSE: Defining background runspaces scriptblock
VERBOSE: Starting martin-pc
WARNING: martin-pc: Unable to index into an object of type System.Management.Automation.PSObject.
VERBOSE: Thread done for martin-pc
VERBOSE: Removing martin-pc from runspaces
VERBOSE: Closing runspace pool
PS C:\Users\markdamen\Desktop\Powershell>
0
footechCommented:
I can only guess that something didn't get copied right for you.  I just copied the code from my post above into a console and it ran without error.
0
Mark DamenERP System ManagerAuthor Commented:
I didn't get a working solution to this, so won't accept any of the answers in case it confuses people reviewing this question in future.  Happy to award points though, thanks for the help footech.
0

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Mark DamenERP System ManagerAuthor Commented:
Didn't get an actual resolution, but learnt a couple of new techniques for error checking.
0
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