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Virtual Domain Controllers with Hyper-V replica

I have two physical machines with Hyper-V roles installed on both.  I wanted to have two virtual DC's on one box and have it replica to the other physical box.  I had the domain set up and everything working fine, but when I do a planned failover, none of the AD snap-ins work.  I get the error that the domain controller does not exist.

Is it possible to have 2012 domain controller replica to another physical box?

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Lee W, MVP
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In that case could I only have one DC in my environment and replicate it.  Then if it fails, I can fire it up on the replica server?  Or is that not a good idea?
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I swear I read Hyper-V Replica was NOT recommended or supported for Exchange and DCs because of how they were designed to begin with.  Of course NOW I cannot find any trace of that article that I remember being on a Microsoft site.
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ASKER

So if I do this, why do I get the error?  From what I'm reading window server 2012 can handle replica....so why does it not work?....
You can build test lad with Windows 2012 Hyper-V to test Windows 2012 Virtual DC with replica.
Then demonstrate steps mentioned in article "http://technet.microsoft.com/en-us/library/dn250021.aspx"
Then check all Directory events and AD functionality for critical and warning events.
if everything is fine, you can go ahead and do it in production