Microsoft KB Archive/890074

= Performance may decrease when you use a long-running orchestration in BizTalk Server 2004 =

Article ID: 890074

Article Last Modified on 10/5/2005

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APPLIES TO


 * Microsoft BizTalk Server 2004 Enterprise Edition
 * Microsoft BizTalk Server 2004 Developer Edition
 * Microsoft BizTalk Server 2004 Partner Edition
 * Microsoft BizTalk Server 2004 Standard Edition
 * Microsoft BizTalk Server 2004 Service Pack 1

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SYMPTOMS
When you use a long-running orchestration, such as a singleton orchestration in Microsoft BizTalk Server 2004, BizTalk Server performance, as measured by the Document Processed Per Second measure, may decrease over time. This problem may occur when a long-running orchestration has some scope inside a loop and multiple receives of the same message on the same port.



RESOLUTION
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 Server 2004 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:

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.

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 30-Mar-2005 01:37  3.0.6116.0  221,184  Microsoft.xlangs.biztalk.engine.dll 30-Mar-2005 01:37  3.0.6116.0  217,088  Microsoft.xlangs.engine.dll 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 about the Singleton design pattern, visit the following MSDN Web site:

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnbda/html/singletondespatt.asp

Additional query words: 890074

Keywords: kbbtsorchestration kbfix kbbug KB890074

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