FIX: MQSeries adapter for a receive port doesn't maintain message order in BizTalk Server 2010 or BizTalk Server 2013 R2

Symptoms
In Microsoft BizTalk Server 2010, BizTalk Server 2013 R2, or BizTalk Server 2013, you use the MQSeries adapter to receive and process a large volume of messages. However, you notice that the messages are not kept in the correct order, even though the Order Delivery option is enabled in the receive location. In this situation, no errors are logged in either the System log or the Application log on the BizTalk server.
Resolution

Cumulative update information

This issue was first fixed in the following cumulative update of BizTalk Server: Note MQSAgent.dll must be updated on the IBM WebSphere MQ server to the same Cumulative Update level as on BizTalk Server. To do this, make sure that you run the same CU setup on IBM WebSphere MQ Server. You may experience performance issues if you run mismatched versions.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Properties

Article ID: 2951982 - Last Review: 10/09/2015 23:25:00 - Revision: 4.0

Microsoft BizTalk Server Branch 2010, Microsoft BizTalk Server Developer 2010, Microsoft BizTalk Server Enterprise 2010, Microsoft BizTalk Server Standard 2010, Microsoft BizTalk Server 2013 R2 Branch, Microsoft BizTalk Server 2013 R2 Developer, Microsoft BizTalk Server 2013 R2 Enterprise, Microsoft BizTalk Server 2013 R2 Standard, Microsoft BizTalk Server 2013 Branch, Microsoft BizTalk Server 2013 Developer, Microsoft BizTalk Server 2013 Enterprise, Microsoft BizTalk Server 2013 Standard

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