I have Exchange 2000 set up on my PDC. I installed instant messaging server on another domain controller but not the PDC. I set up an instant messaging virtual server and set up a _rvp entry in DNS under my domains forward lookup zone.
I followed the instructions on this page here:
My problem is that when I configure msn messanger 5 to connect using my exchange account, I try to sign in and it says failed becasue the sign on name does not exist or password is incorect.