Microsoft KB Archive/928078

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Article ID: 928078

Article Last Modified on 11/15/2007


  • Microsoft BizTalk Server 2006 Standard Edition
  • Microsoft BizTalk Server 2006 Enterprise Edition
  • Microsoft BizTalk Server 2006 Developer Edition


In Microsoft BizTalk Server 2006, some messages may not be processed as expected because of the size of the message. For example, a 100 kilobyte (KB) message may not be processed as expected when you use the File adapter. Alternatively, the POP3 adapter may not process large e-mail messages as expected.


This problem may occur because of a deadlock condition.


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:

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:


You must have Microsoft BizTalk Server 2006 installed to apply this hotfix.

Restart requirement

You do not have to 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.

BizTalk Server 2006, x64 editions
File name File version File size Date Time
Btsmessageagent.dll 3.5.1634.0 1,334,048 13-Nov-2006 18:50
BizTalk Server 2006, x86 editions
File name File version File size Date Time
Btsmessageagent.dll 3.5.1634.0 690,464 13-Nov-2006 18:46

Note Because of file dependencies, the most recent hotfix that contains these files may also contain additional files.


To work around this problem, reduce the size of the messages.


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


The deadlock condition that is mentioned in the "Cause" section occurs if the message contains a large message part and if the value for the message size property is removed from memory during message processing. If the message size is not in memory, BizTalk Server calculates the message size from information that is stored in the BizTalk databases. If an active transaction is using the message at the same time as BizTalk Server is calculating the message size, the deadlock condition occurs.


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: kbbtsmessaging kbbtsmapper kbbts kbbug kbfix kbpubtypekc kbhotfixserver kbqfe KB928078