UPHClean. What is it, what does it and do we need it? By Mariette Knap uphclean, user profile UPHClean monitors the computer while Windows is unloading user profiles and forces resources that are open to close. Therefore, the computer can unload and reconcile user profiles. This article describes the installation of the User Profile Hive Cleanup service. One of the warnings you always see on a SBS 2003 after the backup has been run is this: All though is not a serious warning the consensus among many MVP's is that we should always install the UPHClean service. Download details: User Profile Hive Cleanup Service: http://www.microsoft.com/downloads/details.aspx?FamilyId=1B286E6D-8912-4E18-B570-42470E2F3582&displaylang=en Double click the executable you just downloaded from the URL above. Click next. Accept the License Agreement and click Next. We choose to leave all as default and click Next. Click Next. Click Close to finish the Installation. Check in Computer Management if the User Profile Hive Cleanup service has been to start Automatically and if the server already has been started. Related knowledge base articles Troubleshooting profile unload issues The user profile may not be correctly unloaded when you log off from a Windows Server 2003-based computer, and event 1517 is logged The system may not unload your user profile correctly when you log off from a Windows XP-based computer User profiles are not removed after you log off a terminal server that is running Windows Server 2003