What Service Pack do I have installed?
A simple way to determine the service pack level installed in your MCMS 2002, is to open Site Manager and go into Help About from the menu. Check the reported Server Version against the following list:
5.0.1581.0 = RTM
5.0.2284.0 = SP1
5.0.4484.0 = SP1a
5.0.5054.0 = SP2