Symptoms
Assume that you use the MQSeries adapter to receive and process 100 messages in Microsoft BizTalk Server 2013 R2 or BizTalk Server 2013. You configure the following receive location properties to receive only 10 messages:
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Maximum Messages in Batch = 10
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Polling Interval = 30
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Polling Unit = Seconds (Default: Seconds)
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Threads = 1
In this situation, you still receive all 100 messages that are currently in the queue.
Note If you use MQSeries adapter, 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.
Resolution
Cumulative update information
This issue was first fixed in the following cumulative update of BizTalk Server:
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
For information about the service packs and the cumulative update list for BizTalk Server, see KB 2555976: Service pack and cumulative update list for BizTalk Server.
For more information about BizTalk Server hotfixes, see KB 2003907: Information about BizTalk hotfixes and Service Pack support.
