I need to configure DNS on a win 2012 r2 DC so I can join computers to this new domain. It is the only DC. Currently, DNS and DHCP are handled by a router at 192.168.1.1. I am concerned that workgroup computers getting DNS / IP addresses from the router will lose network / internet connection if DNS and DHCP are switched to the server. This could be troublesome as I am doing this remotely. Perhaps I am incorrect about the computers losing connection though.
Should I leave DNS / DHCP on the router? Or, do I need to run those services from the server, at least DNS, for the domain to properly function?
Help and understanding of how this works is appreciated.