Can you run Active Directory 2008r2 on Windows Server 2012?

GeoStyx asked:

We are upgrading all domain controllers to Windows Server 2012. But we have some legacy systems which won’t work with Active Directory past 2008r2.

Is it possible to run AD 2008r2 without any 2008r2 domain controllers? (All 2012 instead.)


My answer:

Wouldn’t you just leave AD at the 2008R2 functional level?

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