I have a DNS question. Our network has 2 DC's with 2003. I created 2 more DC's with 2012 R2 servers and moved the FSMO roles and moved the DHCP server over to the new DC's. Now i am left with 4 DC's and 4 DNS IP's.
The new ones are 192.X.X.10 and 192.X.X.8 and the old DNS 192.X.X.11 and 192.X.X.50. I want to demote the old DC's and get rid of them, however, most of my servers that have static IP have the old DNS address. Is there a way to demote the old DC's/remove the servers and still keep the DNS IP or will have to manually change all the DNS IP's on my server from the old IP's to the new IP's and then demote the old DC's?