I currently have 2 Server 2008 SP2 domain controllers. I would like to add a 3rd DC. I would like to make that 3rd DC server 2012 R2.
My question is do I need to run ADPEP and FORESTPREP for 2012 or can I just run DCPROMO and promote the 2012 server to DC?
I will not be moving an of the fsmo roles to the 2012 server at this time. It will just be an additional DC.