FIX: You may experience time-outs when you use a receive location to connect to a WCF service and you use the WCF request-response adapter in BizTalk Server 2006 R2

Consider the following scenario. In Microsoft BizTalk Server 2006 R2, you use a receive location to connect to a Windows Communication Foundation (WCF) service. You use the WCF request-response adapter. The processing time of the service exceeds 10 minutes. In this scenario, you may experience time-outs.

Hotfix information

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. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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: Note 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.


You must have BizTalk Server 2006 R2 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 a previously released hotfix.

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.
File nameFile versionFile sizeDateTimePlatform
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.
After you install this hotfix, the time-out now uses a default value of 20 minutes, exactly like all other request-response adapters. This value can be modified by using the
registry subkey. For more information about the
registry subkey, visit the following Microsoft Developer Network (MSDN) Web site: For in-process adapters, including WCF-NamedPipe, WCF-NetTcp, WCF-Custom, and WCF-NetMsmq, use the
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTSSvc${host name here}\MessagingReqRespTTL
registry subkey. For isolated adapters, including WCF-BasicHttp, WCF-WsHttp, and WCF-CustomIsolated, use the
registry subkey.

Note The values of the
registry subkey are in minutes.
For more information about software update terminology, 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

Article ID: 943874 - Last Review: 04/01/2008 19:22:22 - Revision: 1.3

Microsoft BizTalk Server 2006 R2 Standard Edition, Microsoft BizTalk Server 2006 R2 Enterprise Edition, Microsoft BizTalk Server 2006 R2 Developer Edition

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