Exchange - User Name Change Not Reflected in Outlook View The Full Article Summary: User name change not reflected in Outlook Solution: After a username has been changed by CCIT staff, for that change to be seen by the actual usersand39 Outlook client requires a reconnection to the Exchange server. To reconnect to the Exchange server, Close Outlook. Go to theControl panel andselectMail. Go into the userand39s active profile, and to the Exchange settings. When you see the Exch07.CAMPUS.CU.CLEMSON.EDU and the username, simply delete 1 letter from either the username or the server name, then put it back, now click check name and OK. You are done. Open Outlook. The Mailbox name displayed should now be the correct one.