FIX: Access violation and heap corruption occurs when you send large quantity of messages using IBM MQ adapter in BizTalk Server

Symptoms

Assume that you use MQSeries adapter to send messages to and receive messages from MQSeries systems by using Microsoft BizTalk Server. When you use MQSeries in combination with earlier IBM MQ 9.0 versions, you may receive an access violation error when you send larger messages and large quantities of messages (for example, millions). Additionally, heap corruption may occur intermittently.

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Resolution

This problem is fixed in the following cumulative update for BizTalk Server:

Note In addition to the CU7, you must also update IBM MQ to version 9.0.0.5, 9.1 or later versions to fix this issue.


References

For information about the service packs and cumulative update list for BizTalk Server, see the following article in the Microsoft Knowledge Base:

2555976 Service pack and cumulative update list for BizTalk Server

For more information about BizTalk Server hotfixes, see the following article in the Microsoft Knowledge Base:

2003907 Information about BizTalk hotfixes and Cumulative Update support

Third-party information disclaimer
The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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