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04.18.2008 at 12:27PM PDT, ID: 23335340
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I need a Powershell script to read registry and services from a list of hosts in a text file.

Tags: Microsoft, Powershell, 1.0, Need a Powershell script to read registry and services from a list of hosts.
I need a Powershell script to read registry and services from a list of hosts in a text file and then output the results to a .csv file. Specifically, for each host listed in list.txt, I need to determine the following things:

1) Query HKLM\software\mhhs and read the data of the string value "BusinessSegment"
2) Query the "ntrtscan" service to see if it's running, stopped, stopping, or whatever
3) Somehow query the uptime of the host and get the uptime in days.

The output should be saved to output.csv so that each row contains the hostname and the other data, all separated by commas. For example:

server1,Marketing,running,35
server2,Business,running,62

The Powershell script should be flexible enough so I can add in more registry and service checks as needed.

Thanks!
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Question Stats
Zone: Programming
Question Asked By: SerenitySystems
Solution Provided By: BSonPosh
Participating Experts: 1
Solution Grade: A
Views: 62
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04.18.2008 at 01:10PM PDT, ID: 21389211

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04.18.2008 at 01:21PM PDT, ID: 21389308

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04.18.2008 at 01:54PM PDT, ID: 21389565

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04.18.2008 at 02:01PM PDT, ID: 21389612

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04.18.2008 at 02:02PM PDT, ID: 21389623

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04.18.2008 at 02:22PM PDT, ID: 21389739

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04.18.2008 at 01:10PM PDT, ID: 21389211

Rank: Master

wow... pretty demanding :)

I will post an example script and you can do what you like.
 
04.18.2008 at 01:21PM PDT, ID: 21389308

Rank: Master

do what you will with this.
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$file = "<host file path>"
@(foreach($comp in Get-Content $file)
{
    $myobj = "" | Select-Object Name,BusinessSegment,ntrtscan,uptime
    $myobj.Name = $comp
    # Get RegKey
    $regKeyPath = "software\mhhs"
    $HKLM = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, $Server)
    $subKey = $HKLM.OpenSubKey($regKeyPath,$false)
    $myobj.BusinessSegment = $subKey.GetValue('BusinessSegment')
    
    # Get Service State
    $myobj.ntrtscan = (Get-WmiObject Win32_Service -ComputerName $comp -filter "Name='ntrtscan'").State
    
    # Get Uptime
    $lastReboot = (Get-WmiObject Win32_OperatingSystem -ComputerName $comp).LastBootUpTime.Split(".")[0]
    $uptime = (Get-Date).Subtract([system.DateTime]::ParseExact($lastReboot,"yyyyMMddHHmmss",$null)).days
    $myobj.uptime = $uptime
    
    # Return Object
    $myobj
}) | export-Csv output.csv -noType
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04.18.2008 at 01:54PM PDT, ID: 21389565
Thanks for the help!  It looks promising. I ran into some errors. Here's my output after populating the "file =" statement accordingly:

ERROR: You cannot call a method on a null-valued expression.
ERROR: At line:10 char:46
ERROR: +     $myobj.BusinessSegment = $subKey.GetValue( <<<< 'BusinessSegment')
ERROR: You cannot call a method on a null-valued expression.
ERROR: At line:10 char:46
ERROR: +     $myobj.BusinessSegment = $subKey.GetValue( <<<< 'BusinessSegment')
ERROR: Get-WmiObject : Invalid parameter
ERROR: At line:13 char:37
ERROR: +     $myobj.ntrtscan = (Get-WmiObject  <<<< Win32_Service -ComputerName $comp
ERROR: -filter "Name='ntrtscan'").State
ERROR: Get-WmiObject : Invalid parameter
ERROR: At line:16 char:33
ERROR: +     $lastReboot = (Get-WmiObject  <<<< Win32_OperatingSystem -ComputerName $c
ERROR: omp).LastBootUpTime.Split(".")[0]
ERROR: You cannot call a method on a null-valued expression.
ERROR: At line:16 char:97
ERROR: +     $lastReboot = (Get-WmiObject Win32_OperatingSystem -ComputerName $comp).L
ERROR: astBootUpTime.Split( <<<< ".")[0]

*** PowerShell Script finished. ***
 
04.18.2008 at 02:01PM PDT, ID: 21389612

Rank: Master

content of the file?
 
04.18.2008 at 02:02PM PDT, ID: 21389623

Rank: Master

Did notice one thing. Try this one

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$file = "<host file path>"
@(foreach($comp in Get-Content $file)
{
    Write-Host " Getting Info for Server [$Comp]" -fore GREEN
    $myobj = "" | Select-Object Name,BusinessSegment,ntrtscan,uptime
    $myobj.Name = $comp
    # Get RegKey
    $regKeyPath = "software\mhhs"
    $HKLM = [Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine, $comp)
    $subKey = $HKLM.OpenSubKey($regKeyPath,$false)
    $myobj.BusinessSegment = $subKey.GetValue('BusinessSegment')
    
    # Get Service State
    $myobj.ntrtscan = (Get-WmiObject Win32_Service -ComputerName $comp -filter "Name='ntrtscan'").State
    
    # Get Uptime
    $lastReboot = (Get-WmiObject Win32_OperatingSystem -ComputerName $comp).LastBootUpTime.Split(".")[0]
    $uptime = (Get-Date).Subtract([system.DateTime]::ParseExact($lastReboot,"yyyyMMddHHmmss",$null)).days
    $myobj.uptime = $uptime
    
    # Return Object
    $myobj
}) | export-Csv output.csv -noType
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Accepted Solution
 
04.18.2008 at 02:22PM PDT, ID: 21389739
That works perfectly!

I have one other question: I need to run the scipt under alternate Windows domain credentials, so it has correct access to the remote hosts. Is there a  common way to do that?

Thanks again!
 
 
04.18.2008 at 02:27PM PDT, ID: 21389775
Runas would be the easiest, but you can use Get-Credential for the WMI calls. The Registry one is slightly more complicated.
 
 
 
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