Article ID: 951049 - View products that this article applies to.
On a computer that is running Windows Server 2008 or Windows Vista, folder redirection is enabled. You log on immediately after you restart the computer. In this case, Windows Explorer tries to display the desktop before the Workstation service starts, and you experience one of the following problems:
To work around this problem, use one of the following methods.
Method 1: Log off, and then log on againWindows Explorer uses the Well-Known folder cache. The Well-Known folder cache is initialized during logon. When you log off and then log on again, Windows rebuilds the cache. At this point, you can apply Group Policy settings correctly. Additionally, the cache is populated correctly.
Note For more information about Group Policy settings and about the Well-known folder cache, see the "More information" section.
Method 2: Wait for 12 minutesThe default update interval for the Well-Known folder cache is 12 minutes. To gain access to the redirected folders, wait for the 12-minute update interval to end.
Method 3: Decrease the update intervalYou can change the registry to decrease the update interval for the Well-Known folder cache.
To have us fix this problem for you, go to the “Fix it for me” section. If you’d rather fix this problem yourself, go to the “Let me fix it myself” section.
Fix it for meTo fix this problem automatically, click the Fix this problem link. Then click Run in the File Download dialog box, and follow the steps in this wizard.
Fix this problem
Microsoft Fix it 50023
Note this wizard may be in English only; however, the automatic fix also works for other language versions of Windows.
Note If you are not on the computer that has the problem, you can save the automatic fix to a flash drive or a CD so that you can run it on the computer that has the problem.
Now go to the "Did this fix the problem?" section.
Let me fix it myselfImportant This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
322756You can decrease the update interval for the Well-Known folder cache by changing two registry values for the KnownFolderSettings subkey. These values control the intervals that are used to update the Well-Known folder cache, based on the success or failure of queries. By default, there is no KnownFolderSettings subkey. Instead, you must create this subkey. To create the KnownFolderSettings subkey and its values, follow these steps:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
Did this fix the problem?Check whether the problem is fixed. If the problem is fixed, you are finished with this article. If the problem is not fixed, you can contact support
Windows Server 2008 and Windows Vista use the Well-Known folders feature to determine the location of folders in the user profile. By using this feature, Windows redirects Well-Known folders to other locations as needed. Specifically, Windows Explorer queries the Well-Known folder GUID. This query returns the actual folder location, whether on a hard disk drive or on a remote server.
Windows Explorer optimizes Well-Known folder lookups by caching the Well-Known folders and their locations. Queries are performed against the cache, and the location is then returned to the application or to Windows Explorer.
When you use folder redirection, you receive the folder redirection settings from Group Policy. This process cannot occur unless the Workstation service has started. If the Workstation service has not started, the Well-Known folder cache is unavailable. This causes queries for redirected folder locations to fail. Additionally, the cache remains unavailable until the next update. By default, this cache is updated every 12 minutes (after the cache is first initialized and built during logon).
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 951049 - Last Review: September 11, 2011 - Revision: 4.0
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