Hello,

You may have issues with the IBM MQ Client 7.5 and 8.0 together with BizTalk 2013 / 2013 R2 with Transactional Support set to true. You are getting an MQRC 2072 and you can see a lot of errors / warnings in the Event Log. This is actually a code defect in the 7.5.0.3 / 7.5.0.4 and 8.0.0.2 client.

IBM has worked on fixing this issues : http://www-01.ibm.com/support/docview.wss?rs=171&uid=swg1IT07469

The issue is finally fixed in the following IBM MQ Clients :

  • 7.5.0.6
  • 8.0.0.4

Best Regards,

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