Setting password never expires’ programmatically in AD

Needing to set ‘Password Never Expires’ across an entire OU in Active Directory, I managed to write a powershell script to accomplish as much. Sure is nice having scripting languages on Windows machines beyond BASIC.

# Finds all user objects in the searchroot and forces the password never expires value in user account control to set
# 2009-09-04 -- Bryan McLellan <>


$objou = New-Object System.DirectoryServices.DirectoryEntry("LDAP://ou=test,dc=example,dc=com")
$objSearcher = New-Object System.DirectoryServices.directorySearcher
$objsearcher.searchroot = $objou
$objsearcher.filter = '(&(objectCategory=User)(Objectclass=user)(!isCriticalSystemObject=*))'
$objsearcher.searchscope = "subtree"

$results = $objsearcher.findall()

foreach ($result in $results) { 
  $user = [adsi]$result.path
  $value = $user.useraccountcontrol.item(0)
  $value = $value -bor $Never_Expire
  $user.useraccountcontrol = $value

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