I am currently in the process of setting up 2 new Windows Server 2012 servers. They are domain controllers. I also have 2 Windows Server 2008 servers. Until the two above were introduced, they were the only two domain controllers. They run DNS and the primary one runs DHCP.
Here's what I'm trying to do. I need to remove the two 2008 boxes and replace them with the two 2012 boxes. I want to rename the two 2012 boxes to the 2008 box names and give them the same IPs. Basically everything should be identical once the two new boxes are in and the old boxes are out.
What do I need to consider in doing this? How can I make sure that DHCP, DNS, etc. is set up and working before doing this? Also, how do I demote the two old servers and rename the two new ones?
Any help is appreciated.