Counts the number of users for a given Active Directory domain

ADUserCount.ps1

Import-Module ActiveDirectory

$domain = Get-ADOrganizationalUnit -searchbase "DC=contoso, DC=com" -filter * -searchscope 1
$total = 0

foreach ($ou in $domain)
{
    $count = @(Get-ADUser -searchbase $ou -filter * |Where-Object {$_.enabled -eq "true"}).count
    $total += $count
}

Clear-Host
Write-Host    # Write a blank line
Write-Host $total "users total"
Write-Host    # Write a blank line