When you use a WCF-SAP NCO adapter, and you configure multiple receive locations that listen to different ProgramIDs on SAP Server, only one of the receive location works at a time. Each works fine as long as all others are disabled. If multiple locations are enabled, only the first one that was enabled actually listens.
Cumulative update information
The fix that resolves this issue is included in the following cumulative update for BizTalk Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Learn about the service pack and cumulative update list for BizTalk Server.
Learn about BizTalk Server hotfixes and cumulative update support.
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