Symptoms
Assume that you use MQSeries send port that contains EDI assembler component (like in EDISend pipeline) in Microsoft BizTalk Server 2013. When there's an invalid EDI message and the EDI validation fails, the send port instance doesn't suspend, it just gets stuck at active state and never goes away.
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 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 cumulative update support.