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Can I have 2012R2 DC in a domain of 2003 domain functional level?

Castlewood asked
Last Modified: 2017-11-08
Our Domain Functional Level is still on 2003. We have mixed 2008R2 and 2003 servers for DC. Recently we need to add one more DC and have been thinking if we can set up a 2012R2 server for a domain controller in a domain of 2003 domain functional level?
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