Managing Domains and Forests

Applies To: Windows Server 2008, Windows Server 2008 R2, Windows Server 2012

You can use Active Directory Domains and Trusts to view and manage domain and forest functional levels and create user principal name (UPN) suffixes.

• Understanding Domain and Forest Functional Levels

• Raise the Domain Functional Level

• Raise the Forest Functional Level

• Add User Principal Name Suffixes