PowerShell - Computer Inventory from text list (Invoke-Command)

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#Start PSRemoting.

Invoke-Command -ComputerName (Get-Content C:\temp\yourtextfile.txt) -scriptblock {

#Run the commands concurrently for each server in the list

$CPUInfo = Get-WmiObject Win32_Processor #Get CPU Information

$OSInfo = Get-WmiObject Win32_OperatingSystem #Get OS Information

#Get Memory Information. The data will be shown in a table as GB, rounded to the nearest second decimal.

$PhysicalMemory = Get-WmiObject CIM_PhysicalMemory | Measure-Object -Property capacity -Sum | % {[math]::round(($_.sum / 1GB),2)}

#Get Network Configuration

$Network = Get-WmiObject Win32_NetworkAdapterConfiguration -Filter 'ipenabled = "true"'

#Get local admins.

$localadmins = Get-CimInstance -ClassName win32_group -Filter "name = 'administrators'" | Get-CimAssociatedInstance -Association win32_groupuser

#Get list of shares

$Shares = Get-WmiObject Win32_share | Where {$_.name -NotLike "*$"}

$infoObject = New-Object PSObject

#Add data to the infoObjects.

Add-Member -inputObject $infoObject -memberType NoteProperty -name "ServerName" -value $CPUInfo.SystemName

Add-Member -inputObject $infoObject -memberType NoteProperty -name "CPU_Name" -value $CPUInfo.Name

Add-Member -inputObject $infoObject -memberType NoteProperty -name "TotalMemory_GB" -value $PhysicalMemory

Add-Member -inputObject $infoObject -memberType NoteProperty -name "OS_Name" -value $OSInfo.Caption

Add-Member -inputObject $infoObject -memberType NoteProperty -name "OS_Version" -value $OSInfo.Version

Add-Member -inputObject $infoObject -memberType NoteProperty -name "IP Address" -value $Network.IPAddress

Add-Member -inputObject $infoObject -memberType NoteProperty -name "LocalAdmins" -value $localadmins.Caption

Add-Member -inputObject $infoObject -memberType NoteProperty -name "SharesName" -value $Shares.Name

Add-Member -inputObject $infoObject -memberType NoteProperty -name "SharesPath" -value $Shares.Path

$infoObject

} | Select-Object * -ExcludeProperty PSComputerName, RunspaceId, PSShowComputerName | Export-Csv -path C:\temp\Server_Inventory_$((Get-Date).ToString('MM-dd-yyyy')).csv -NoTypeInformation

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This saved as a ps1 has been invaluable letting me know current local admins, for me the built in, in particular. outputs to csv.