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Problems when more than one user accesses the same file through Terminal Services
Article ID: 818528 - View products that this article applies to.
In a Windows 2000 Terminal Services environment, users who access the same file over the network or over mapped network drives may experience problems after the first user who opened the file closes it. These problems were documented in the following KB articles:
(http://support.microsoft.com/kb/294816/ )Programs that are run from a network share on Terminal Services close or generate errors
(http://support.microsoft.com/kb/299603/ )You receive an "Error reading file" error message in Windows 2000 Terminal Services
The Windows 2000 network redirector maintains the data structures per computer, and therefore if two users on the same terminal server access the same file over the network, they share the same data structures internally. When the first user closes the file, the redirector also closes the file for other users.
A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, submit a request to Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
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 tool in Control Panel.
Date Time Version Size File name ------------------------------------------------------ 04-Jun-2003 17:18 5.0.2195.6752 407,792 Mrxsmb.sys 04-Jun-2003 17:18 5.0.2195.6752 168,496 Rdbss.sys
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Important 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:
322756For more information about how to obtain a hotfix for Windows 2000 Datacenter Server, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
265173To use the new functionality of this fix and to use per user data structures, you must add the following registry entry on the terminal server.
(http://support.microsoft.com/kb/265173/ )The Datacenter Program and Windows 2000 Datacenter Server Product
Subkey:This entry enables per-user data structures in the network redirector.
The new registry entry for Windows 2000 Terminal servers is the equivalent of the
MultipleUsersOnConnectionentry for Windows NT 4.0 Terminal servers.
Article ID: 818528 - Last Review: February 5, 2007 - Revision: 6.7