All FSMO roles are on Windows 2012 R2 shall I run the below command on all the servers ?
You can follow along here. FRS replication migration to DFSR
Do I have to install the DFS replication service on all the Domain Controllers ?
No, you do not.
We have been Upgrading Domain Controllers from Windows 2000
Domain controllers will need to be a minimum of Server 2008 before migration can take place.
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