Then follow the steps in this section again to install UPHClean. If you are using Windows NT 4. To verify that this method worked, log off Windows. Windows should log off immediatley. Open the Application log and detemine if any event messages indicate that there were user profile errors. If this method worked: If you can log off Windows, and there are no event messages that indicate that there were user profile unloading errors, you have successfully corrected the problem. If this method did not work: If you cannot log off Windows, or there are event messages that indicate that there were user profile unloading errors, this method did not work.
You might want to ask someone for help, or you might want to try Advanced Troubleshooting. If the resources listed in this article do not help you resolve the problem or if you experience symptoms that differ from those that are described in this article, search the Microsoft Knowledge Base for more information. If the problem is not resolved, unfortunately this content is unable to help you any further. So, you might want to ask someone for help, or you might want to visit the following Microsoft Web site:.
Your user profile is a collection of settings that make the computer look and work the way that you want it to look and to work. Your user profile contains your settings for desktop backgrounds, for screen savers, for pointer preferences, for sound settings, and for other features. User profiles make sure that your personal preferences are used when you log on to Windows.
A user profile differs from a user account that you use to log on to Windows. Each user account has at least one user profile associated with it.
A user account defines the actions a user can perform in Windows. On a stand-alone computer or on a computer that is a member of a workgroup, a user account establishes the permissions that are assigned to each user. On a computer that is part of a network domain, a user must be a member of at least one group. The permissions and the rights that are granted to a group are assigned to its members. For information about user profile hives, visit the following Microsoft Web sites:.
The User Profile Hive Cleanup service helps make sure that user sessions are completely ended when a user logs off. System processes and applications occasionally maintain connections to registry keys in the user profile after a user logs off. In those cases, the user session is prevented from completely ending. This can result in problems when you use roaming user profiles in a network environment or when locked profiles are used as implemented through the Shared Computer Toolkit for Windows XP.
In Windows , you can benefit from the User Profile Hive Cleanup service if the Application log shows event ID , and the message text indicates that the profile is not unloading and that the error is "Access is denied.
The User Profile Hive Cleanup service monitors for users who have logged off and for whom registry hives are still loaded.
When this occurs, the service determines which applications have handles that are opened to the hives and releases them. It logs the application name and what registry keys were left open.
After this occurs, the system finishes unloading the profile. Note An event message can result for many reasons. This immediate access removes the need to update the user profile. First logon to a machine in a server farm is typically slow because of synchronous Group Policy processing, and subsequent logons are faster when Group Policy is asynchronous. In WS08 R2, the GP cache is roamed between the servers of the farm so users should only experience the delay during first farm logon and get a faster logon experience for subsequent logons to all members of the farm.
An RDS environment can potentially have hundreds of distinct users. Whereas caching of roaming user profiles is enabled for a better user experience, this profile cache can grow very large and may potentially overrun the available disk space on the server. Controlling the cache size of individual user profiles may not be effective on the RDSH server, because there can be hundreds of new, distinct users.
If the size of the profile cache exceeds the configured size, RDS deletes the least recently used copies of roaming profiles until the overall cache goes below the quota. Prior to WS08 many customers downloaded the UPHClean service to prevent profile corruption problems caused by applications and processes maintaining connection to registry keys in the user profile after logoff. Can help improve logon speed when roaming profiles are deployed by reducing the size of roaming profile.
Redirection of AppData folder may cause application compatibility issues — details in step 5 below. Configure roaming user profiles for registry settings and folder redirection for user and application data folders to improve logon and logoff performance while centrally managing user data and settings. The application event IDs , , , are logged in the Application log. Viewing events in the Application log is the most accurate method to determine user profile unload errors.
If you don't see these events in the Application log, you don't have user profile unload errors. For more information about the event messages in the Application log, see the Event messages in the Application log section.
The cached profile isn't deleted when you use a roaming user profile that is configured to delete the locally cached copy of the profile when you log off. Symptoms of this error are recorded as event messages in the Application log. In Windows XP and in Windows Server , you can log off, but you can't recover the memory that the user profile uses until the user profile can be unloaded.
You can log off because the roaming user profile is reconciled by using a copy of the contents of the registry. When you try to log off in Windows , the "Saving settings If you're using a roaming user profile on a network, Windows indicates that the user profile on the computer doesn't reconcile with the roaming user profile on the network.
You cannot log on because the user profile did not log off. Backups may not start. There are no errors in the Application log from the backup program.
However, if you see event ID , the backup hasn't run. This method shows how to install and to run UPHClean. The current version of UPHClean v1. A future version of UPHClean may be supported under those operating systems. This method requires you to browse away from the page that you are now viewing. By browsing away from this page, the content that you are now viewing will no longer be displayed. So, before you continue, you might find it helpful to create a shortcut to this Web page on your desktop so that you can easily return to this page by double-clicking the shortcut.
To create a shortcut to this Web page on your desktop, follow these steps:. To verify that this method worked, log off Windows. Windows should log off immediately. Open the Application log and determine if any event messages indicate that there were user profile errors.
If this method worked: If you can log off Windows, and there are no event messages that indicate that there were user profile unloading errors, you've successfully corrected the problem. If this method didn't work: If you can't log off Windows, or there are event messages that indicate that there were user profile unloading errors, this method didn't work.
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