FIX: BizTalk Adapter for MQSeries version 2.0 uses excessive memory and stops responding in BizTalk Server 2004

When you send many large messages from Microsoft BizTalk Server 2004 to IBM WebSphere MQ Workflow (formerly known as MQSeries Workflow), you may experience all the following symptoms:

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The BizTalk Adapter for MQSeries version 2.0 uses excessive memory resources. Also, this adapter does not release these memory resources correctly.

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One or more warning events or error events are logged in the Application log. These warning events or error events appear similar to the following: Event 1 COM+ has determined that your machine is running very low on available memory. In order to ensure proper system behavior, the activation of the component has been refused. If this problem continues, either install more memory or increase the size of your paging file. Memory statistics are: dwMemoryLoad = 96 ullTotalPhys = 0x01ff2a000 ullAvailPhys = 0x0013f2000 ullTotalPageFile = 0x07e263000 ullAvailPageFile = 0x004206000 ullTotalVirtual = 0x07ffe0000 ullAvailVirtual = 0x048d93000 Process Name: dllhost.exe Comsvcs.dll file version: ENU 2001.12.4720.130 shp Event 2 Error encountered as BizTalk attempts to send a message fragment to MQSeries, description = Error encountered while calling MQSeries API Routine ImqMessage::write, Reason code = 2071. hresult = 0XC0C1100A. This error will also be reported on the BizTalk server.

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft BizTalk Adapter for MQSeries 2.0 service pack that contains this hotfix.

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

No prerequisites are required to install this hotfix.

Restart requirement

You do not have to restart your 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 tool in Control Panel.

   Date         Time   Version    Size     File name
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   27-Oct-2005  00:03  2.0.442.0  122,880  Microsoft.biztalk.adapter.mqs.dll 
   27-Oct-2005  00:03  2.0.442.0    8,192  Microsoft.biztalk.adapter.mqs.interop.dll 
   27-Oct-2005  00:03  2.0.442.0   86,016  Microsoft.biztalk.adapter.mqsadmin.dll 
   27-Oct-2005  00:03  2.0.442.0  141,312  Mqsagent.dll

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

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

For more information, click the following article number to view the article in the Microsoft Knowledge Base: The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, regarding the performance or reliability of these products.