Question:What Domain Functional Levels Available On Windows Server 2008 R2

Answer: Windows Server 2008 R2 supports the following Domain Functional Levels: 

Windows Server 2003 Mode

When the domain is using this mode you can use domain controllers with the following O/S:

Windows server 2008 R2

Windows Server 2008

Windows Server 2003

Windows 2000

Windows NT

Windows Server 2008 Mode

When the domain is using this mode you can use domain controllers with the following O/S:

Windows server 2008 R2

Windows Server 2008.

Windows Server 2008 R2 Mode

When the domain is using this mode you can use domain controllers with the following O/S:

Windows server 2008 R2.


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