Troubleshooting Roaming Profiles

by Mitch Tulloch [Published on 18 April 2006 / Last Updated on 18 April 2006]

How to resolve problems arising from user profiles not being properly unloaded during logoff.

If you use roaming profiles on your Windows-based network, you may have experienced issues caused by registry hive corruption. This can happen when poorly-designed applications try and keep registry hives open after the user logs off from the network. An easy way to tell that this is occurring is to scan the Application log on the user's machine for event IDs 1517 and 1524, which indicate that the user profile is not unloading successfully during logoff.

To resolve this problem, obtain the User Profile Hive Cleanup Service add-on from the Microsoft Download Center. This service runs in the background and looks for users who have logged off but still have their user profile hives loaded. When it finds such users, it determines which applications have open handles to the registry and forces these handles to be released. You can download this utility here.

The Author — Mitch Tulloch

Mitch Tulloch is a widely recognized expert on Windows administration, networking, and security. He has been repeatedly awarded Most Valuable Professional (MVP) status by Microsoft for his outstanding contributions in supporting users who deploy and use Microsoft platforms, products and solutions. Mitch has published over two hundred articles on different IT websites and magazines, and he has written or contributed to almost two dozen books and is lead author for the Windows 7 Resource Kit from Microsoft Press. For more information, see .

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