Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Applies To: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012
Active Directory® Domains and Trusts is the Microsoft Management Console (MMC) snap-in that you can use to administer domain trusts, domain and forest functional levels, and user principal name (UPN) suffixes.