So here's the skinny..
I have three servers running 03 server standard. The main server ( the domain controller ) needs to be replaced as it is just moving too slow. Besides it running the office of 25 or so computers, I have about 30 additional people who remote desktop into it daily so downtime is a big no-no. I have a new server ready to go with WIndows Server 2012 R2 on it and I want to make this transition as seamless as possible. The old domain controller works but is very bogged down and slow when it is being RDP'd into etc etc.
What do you guys propose as the best route to go here?