3.3. Understanding Domain and Forest Functionality

Windows Server 2008 Active Directory uses a concept called domain and forest functionality. The functional level that you choose during the Active Directory installation determines which features your domain can use.

Windows Server 2003 and 2008 include additional forest functionality compared to Windows 2000. Forest functionality applies to all of the domains in a forest.

3.3.1. About the Domain Functional Level

Windows Server 2008 will support the following domain functional levels:

  • Windows 2000 Native

  • Windows 2003

  • Windows Server 2008

Which function level you use depends on the domain controllers you have installed on your network. This is an important fact to remember. You can use Windows ...

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