Assume that you use Microsoft BizTalk Server 2016 HL7 accelerator, and the HL7 version is entered as the MessageType. When the HL7 assembler is run, you notice that the version number in the MessageType field of your HL7 message is not retained in the outgoing flat file HL7 message.
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
This problem is fixed in the following cumulative update for BizTalk Server:
Cumulative Update 7 for BizTalk Server 2016
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