Powershell Script - Fetch membership of multiple AD Groups at once.

<#Created By Abhishek Bansal

Read Note 

Script Usage :: Fetching Membership of Multiple AD Group at once.

Pre requisites :: Copy all the code into a text file, save it with an extension ".PS1". On same location create a text file named "Input.txt" which contains AD Group names. Once saved, run script as Administrator.

Execution & Outputs :: Output will be saved into separate files named "Groupname.csv" and any error logs into Errorlogs.csv #>

$grp = Get-Content .\Input.txt

    foreach($groupname in $grp)

    {

    $groupname = $groupname.Trim()

    $error.Clear()

    try{

    $membership = Get-ADGroupMember -Identity $groupname | Select Name,Samaccountname,DistinguishedName,@{n="ObjectType";e={$_.objectClass}}

    $membership | Export-Csv ./$groupname.csv -NoTypeInformation -Append 

    }

   catch

    {

   $groupname | Select-Object -Property @{n="Groupname";e={$groupname}},@{n="Error Message";e={$error.exception.Message}} | Export-Csv ./Errorlogs.csv -Append -NoTypeInformation

    }

}