public/Format-DisplayNames.ps1
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function Format-DisplayNames { [cmdletbinding(SupportsShouldProcess=$True)] param ( ) # get users in a certain OU $OU = Select-ADOrganizationalUnit -HideNewOUFeature | Select-Object DistinguishedName -ExpandProperty DistinguishedName $Users = Get-ADUser -Filter * -SearchBase $OU # loop through all users found foreach($U in $Users){ # assign variables $firstname = $U.givenname $surname = $U.surname $olddisplayname =$U.name # reassign variables with correct capitalization $firstname = $firstname.substring(0,1).ToUpper() $surname = $surname.substring(0,1).ToUpper()+$surname.substring(1).ToLower() # create the correct displayname $newdisplayname = $firstname + " $surname" # perform the rename action Set-ADUser -Identity $U -DisplayName $newdisplayname Rename-ADObject -Identity $U -NewName $newdisplayname Write-Host "Renamed $olddisplayname to $newdisplayname" -ForegroundColor Green } } |