Microsoft KB Archive/937450

= The Offline Files feature does not work correctly after you apply security update 914389 on a computer that is running Windows 2000 with Service Pack 4 =

Article ID: 937450

Article Last Modified on 6/12/2007

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APPLIES TO


 * Microsoft Windows 2000 Advanced Server
 * Microsoft Windows 2000 Service Pack 4
 * Microsoft Windows 2000 Professional Edition
 * Microsoft Small Business Server 2000 Standard Edition

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Important This article contains information about how to modify the registry. Make sure that you back up the registry before you modify it. Make sure that you know how to restore the registry if a problem occurs. For more information about how to back up, restore, and modify the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows registry



SYMPTOMS
After you apply security update 914389 (MS06-030) on a computer that is running Microsoft Windows 2000 with Service Pack 4 (SP4), the Offline Files feature does not work correctly. You experience the following symptoms:  You experience intermittent loss of network connectivity when you work on documents in the Offline Files folder. The computer unexpectedly enters offline mode, even though the computer is connected to the local area network (LAN). The Offline Files icon in the notification area intermittently displays the following message:

You are working offline. You are no longer connected to.





CAUSE
This problem occurs because a Server Message Block (SMB) response includes an invalid tree identifier (TID). A tree identifier is a unique ID that is assigned to a resource that the client uses. When a Windows 2000-based client receives an invalid TID, client-side caching switches the client to offline mode.



Hotfix information
A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that this article describes. Apply it only to systems that are experiencing this specific problem.

To resolve this problem, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites
To apply this hotfix, you must have Windows 2000 Service Pack 4 (SP4) installed.

Restart requirement
You must restart the computer after you apply this hotfix.

Hotfix replacement information
This hotfix does not replace any other hotfixes.

File information
The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.



WORKAROUND
Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

To work around this problem, increase the value of the KeepConn registry entry. Increasing the value of this registry entry can help prevent the problem from occurring frequently. The KeepConn registry entry is located in the following registry subkey:

Note This workaround does not resolve the problem completely.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information about the KeepConn registry key, click the following article number to view the article in the Microsoft Knowledge Base:

903237 When you use a UNC name to access a file over an SMB connection on a Windows 2000-based computer, the SMB connection is closed as soon as you close the file

For more information about how hotfix packages are named, click the following article number to view the article in the Microsoft Knowledge Base:

816915 New file naming schema for Microsoft Windows software update packages

For more information about the terms that are used to describe software updates, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Keywords: kbexpertiseinter kbbug kbfix kbhotfixserver kbqfe kbwin2000presp5fix kbpubtypekc KB937450

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