exchange 2003

ok i installed server 2003 and setup 4 diffrent users with roaming profiles that works.
i use a pc that i installed xp on.for the emails.
the emails every time say i log in with user 1 and setup the exchange it installs but if i log out log in with user 2 log out again and log back with user 1 and i open outlook the wizard runs again.

any help i will apreciate it.
thankx