Change UPN-Suffix
Import-Module ActiveDirectory$oldSuffix = “update.net”$newSuffix = “bunthoeurn”$filter = “*@” + $oldSuffixecho $filterGet-ADUser -Filter {UserPrincipalName -like $filter} |ForEach-Object {$UPN = $_.UserPrincipalName.Replace($oldSuffix,$newSuffix)Set-ADUser $_ -UserPrincipalName $UPN}
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