Microsoft KB Archive/905830

= FIX: The XLANG engine may not report a failed DTC transaction and may not end the transaction in BizTalk Server 2004 =

Article ID: 905830

Article Last Modified on 11/15/2007

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APPLIES TO


 * Microsoft BizTalk Server 2004 Standard Edition
 * Microsoft BizTalk Server 2004 Partner Edition
 * Microsoft BizTalk Server 2004 Enterprise Edition
 * Microsoft BizTalk Server 2004 Developer Edition

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SYMPTOMS
When the XLANG engine in Microsoft BizTalk Server 2004 is under heavy stress, the XLANG engine may not report a failed Distributed Transaction Coordinator (DTC) transaction. Additionally, the XLANG engine may not end the transaction in BizTalk Server 2004. This problem may occur when the transaction is in an atomic scope.

For example, the XLANG engine may not end the transaction and may not report the failure when a DTC transaction fails because of a time-out. Under these conditions, data may be lost, and system integrity may be compromised.



Hotfix information
A supported hotfix is now 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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next service pack that contains this hotfix.

To resolve this problem, submit a request to Microsoft Online Customer Services to obtain the hotfix. To submit an online request to obtain the hotfix, visit the following Microsoft Web site:

http://go.microsoft.com/?linkid=6294451

Note If additional issues occur or 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. To create a separate service request, visit the following Microsoft Web site:

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

Warning You cannot roll back this hotfix from the BizTalk Server environment. Therefore, make sure that you fully test this hotfix in a test environment before you apply this hotfix to a production environment. Do not try to use Add or Remove Programs to remove this hotfix because this does not roll back the database changes, and leaves the BizTalk Server environment in an inconsistent state.

Prerequisites
To apply this hotfix, you must have BizTalk Server 2004 Service Pack 1 (SP1) installed on the computer.

Restart requirement
You must restart the BizTalk Server Application Service 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 tool in Control Panel.   Date         Time   Version     Size       File name --  10-Aug-2005  19:12  3.0.6147.0    592,384  Btsmessageagent.dll 10-Aug-2005 19:12  3.0.6147.0  1,041,408  Btsmsgcore.dll 10-Aug-2005 18:34  3.0.6147.0     45,056  Microsoft.biztalk.interop.agent.dll 10-Aug-2005 18:42  3.0.6147.0     53,248  Microsoft.biztalk.messaging.dll 10-Aug-2005 18:34  3.0.6147.0     45,056  Microsoft.biztalk.streaming.dll 10-Aug-2005 18:46  3.0.6147.0    221,184  Microsoft.xlangs.biztalk.engine.dll 10-Aug-2005 18:46  3.0.6147.0    221,184  Microsoft.xlangs.engine.dll 10-Aug-2005 18:42                300,216  Msgboxlogic.sql Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.



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, 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: kbbug kbfix kbqfe kbpubtypekc kbbiztalk2004presp1fix kbhotfixserver kbbiztalk2004-2006swept KB905830

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