AD Script - Exporting AD Group Membership containing Large count of members

<#Created By - Abhishek Bansal

Read Note 

Script Usage :: Fetching AD Group membership containing large number of members. There are cases where Get-ADGroupMember fails. ( More then 5K /6K ). Script is capable of exporting not only users objects but others too. ( Ex Groups ).

Pre requisites :: Copy all the code into a text file, save it with an extension ".PS1". Once saved run it with Admin rights.

Execution & Outputs :: User need to input AD Group name when prompt & results can be checked in Groupname_Membership.csv file. #>

$group = Read-Host "Enter AD Group Name = "

$dn = Get-ADGroup -Identity $group -Properties * | Select objectClass -ExpandProperty Member

$line = 0 

$linecount = $dn.Count

$percentagecomplete= 0

foreach($row in $dn)

{

$line++

$percentagecomplete = ($line/$linecount)*100

$row = $row.trim()

Write-Progress -Activity "Checking Status.." -PercentComplete $percentagecomplete -Status "$line out of $linecount"

Get-ADObject -Properties * -Filter{DistinguishedName -like $row} | Select Name,Samaccountname,@{n="Member Category";e={$_.ObjectClass}} | Export-Csv ./$group.Membership.csv -NoTypeInformation -Append

}