IISLogFileDirectory - interesting behavior

IIS_LogFileDir

Function Get-IISLogFileDirectory {

    [System.Collections.ArrayList]$x = @()
    Import-Module "WebAdministration" 

    foreach($site in (dir IIS:\Sites\*))     {
        $x += [System.Environment]::ExpandEnvironmentVariables((Get-ItemProperty IIS:\Sites\$($site.Name) -name logFile.directory).value) 
        }
    $x | select -Unique 
}

$sb = (get-command Get-IISLogFileDirectory).Definition

#this doesnt work
Invoke-Command -ComputerName $server -ScriptBlock $sb

#this works
Invoke-Command -ComputerName $server -ScriptBlock { 
    [System.Collections.ArrayList]$x = @()
    Import-Module "WebAdministration" 

    foreach($site in (dir IIS:\Sites\*))     {
        $x += [System.Environment]::ExpandEnvironmentVariables((Get-ItemProperty IIS:\Sites\$($site.Name) -name logFile.directory).value) 
        }
    $x | select -Unique 
}

solution: Courtsey LaerteJunior
https://twitter.com/LaerteSQLDBA/status/428213027432071168

Function Get-IISLogFileDirectory {
[System.Collections.ArrayList]$x = @()
Import-Module "WebAdministration"

foreach($site in (dir IIS:\Sites*)) {
$x += [System.Environment]::ExpandEnvironmentVariables((Get-ItemProperty IIS:\Sites$($site.Name) -name logFile.directory).value)
}
$x | select -Unique
}

$sb = [ScriptBlock]::Create((get-command Get-IISLogFileDirectory).Definition)

This works.

Invoke-Command -ScriptBlock $sb -ComputerName $server