A small script that allows an administrator to get a list of all users who have not logged in to a terminal server.

GetUsersNotLoggedIn.ps1

# you must be logged in to the terminal server in question.

$session = New-PSSession -ComputerName $ComputerName # this must be the name of the DC whose session you must import.

Invoke-Command -ScriptBlock {Import-Module ActiveDirectory} -Session $session
Import-PSSession -Module activedirectory -Session $session

$ou = Get-ADOrganizationalUnit -Filter * -Properties * | where-object name -match "$OUName"

$users = Get-ADUser -Filter * -Properties * | Where-Object distinguishedname -Match $ou.distinguishedname
$users | Select-Object name -Property lastlogondate | Where-Object lastlogondate -ne $null