Hello To whom it may concert, Recently i installed windows 2003 server with exchange server 2003. We are running in mixed mode. After live i am facing lot of problems 1. Cannot access remotely using dial up connection: I an getting error message as follows " your exchange server is not avilable" 2. Even with in the lan some of the users also getting same message, I never had any problems with window NT with exchange 5.5 3. Now I tried to browse network computers i am not seeing any computers. Is any thing is missing on the configuraion. I can able to send and receive messages with out any problems. Please help me out