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Powershell command to find Whitespace

Posted on 2014-04-03
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Last Modified: 2014-04-21
I'm trying to determine the amount of white space in Exchange 2007 with this script. When I run it I receive the Warning:

: WARNING: By default only the first 1000 items are returned. To change the number of items returned, specify the parameter “-ResultSize”. To return all items
specify “-ResultSize Unlimited” (Note: Returning all items may take a very long time and consume a large amount of memory depending on the actual number of
items). It is not recommended to store the results in a variable; instead pipe the results to another task or script to perform batch changes.

For every Get- command I added the “-Resultsize Unlimited” but I still get the warning. EX:
Get-MailboxStatistics -ResultSize Unlimited
Get-MailboxDatabase -ResultSize Unlimited

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Here is the script I'm trying to run:
function Get-ExchangeWhiteSpace { 

param( 
   $ComputerName = $(throw "ComputerName cannot be empty.") 
)

# Convert Dates to WMI CIM dates
$tc = [System.Management.ManagementDateTimeconverter] 
$Start =$tc::ToDmtfDateTime( (Get-Date).AddDays(-1).Date ) 
$End =$tc::ToDmtfDateTime( (Get-Date).Date) 

#Create a hash Table to hold the freespace information
$whiteSpace = @{}

# Create two claculated properties for InsertionStrings values
$DB = @{Name="DB";Expression={$_.InsertionStrings[1]}} 
$FreeMB = @{Name="FreeMB";Expression={[int]$_.InsertionStrings[0]}} 

$freespace = Get-WMIObject Win32_NTLogEvent -ComputerName $ComputerName -Filter "LogFile=’Application’ AND EventCode=1221 AND TimeWritten>=’$Start’ AND TimeWritten<=’$End’" | Select-Object $DB,$FreeMB | Sort-Object FreeMB –Unique –Descending
$freespace | ForEach-Object {$whiteSpace.Add($_.DB,$_.FreeMB)}
}

$date = ( get-date ).ToString(‘MM-dd-yyyy’)

$AllServers = @()
foreach ($server in Get-MailboxServer -ResultSize Unlimited)
{
. Get-ExchangeWhiteSpace $server
    foreach ($objItem in Get-MailboxDatabase -ResultSize Unlimited -server $server)
    {
    $edbfilepath = $objItem.edbfilepath
    $path = "`\`\" + $server + "`\" + $objItem.EdbFilePath.DriveName.Remove(1).ToString() + "$"+ $objItem.EdbFilePath.PathName.Remove(0,2)
    $dbsize = Get-ChildItem $path
$dbpath = $EdbFilePath.PathName.Remove(0,2).remove($EdbFilePath.PathName.length-6)
$mailboxpath = "$server$dbpath"
$size = get-wmiobject -ExchangeServer $server win32_logicaldisk |where-object {$_.deviceid -eq $objItem.EdbFilePath.DriveName} |select-object deviceID, Freespace, Size
$freespace = ($size.freespace / 1GB)
$total = ($size.size / 1GB)
$PercentFree = "{0:n2}" -f ($freespace / $total *100)
$mailboxcount = Get-MailboxStatistics -ResultSize Unlimited -database "$mailboxpath" |Where {$_.DisconnectDate -eq $null -and $_.ObjectClass -eq ‘Mailbox’} |measure-object
$disconnectedmailboxcount = Get-MailboxStatistics -ResultSize Unlimited -database "$mailboxpath" |Where {$_.DisconnectDate -ne $null} |measure-object
$ReturnedObj = New-Object PSObject
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Server\StorageGroup\Database" -Value $objItem.Identity
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Total Size (GB)" -Value ("{0:n2}" -f ($total))
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Used Space (GB)" -Value ("{0:n2}" -f ($dbsize.Length/1024MB))
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Free Space (GB)" -Value ("{0:n2}" -f ($freespace))
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Percent Disk Free" -Value $percentfree
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "User Mailbox Count" -Value $mailboxcount.count
$dbasename = $objitem.Identity.parent.name +"\" + $objitem.Identity.name
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "White Space (GB)" -Value ("{0:n2}" -f ($whiteSpace[$dbasename]/1024))
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Total Free (GB)" -Value ("{0:n2}" -f ($freespace + $whiteSpace[$dbasename]/1024))
$TotalPercent = ($freespace + $whiteSpace[$dbasename]/1024) / $total *100
$ReturnedObj | Add-Member -MemberType NoteProperty -Name "Total Percent Free" -Value ("{0:n2}" -f ($TotalPercent))
    $AllServers += $ReturnedObj
}
}

$body = "<font color=blue>Mailbox database size report for $date<br /><br />"
$bodydetail = $allservers |sort-object "Server\StorageGroup\Database" |convertto-html
$body = $body + $bodydetail

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Question by:tolinrome
  • 2
4 Comments
 
LVL 69

Accepted Solution

by:
Qlemo earned 500 total points
ID: 39975648
Are you certain that we are talking about Exchange 2007? It does not have a -Resultsize parameter for the cmdlets you use, and there are several other (syntax) errors in the script.

To get mailbox stats, you usually write
get-mailbox -ResultSize Unlimited | Get-MailboxStatistics # and so on

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0
 
LVL 7

Author Comment

by:tolinrome
ID: 39976091
I copied the script from a blog that was for Exchange 2007, guess not, thanks.
0
 
LVL 69

Expert Comment

by:Qlemo
ID: 40006496
Did my comment make a change here, or are you waiting for something?
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