Assume that you use a two-way receive location and the send pipeline is set as non-PassThruTransmit in Microsoft BizTalk Server. When you export a binding file and then try to import it into another BizTalk environment, the transmit pipeline for the two-way receive location is set to PassThruTransmit instead of the specific pipeline that is used originally.
This issue occurs because an additional <TransmitPipeline> node within the <ReceivePort> node (but outside the <ReceiveLocations> node) is added when you export the binding file.
Cumulative update information
This issue was first fixed in the following cumulative update of BizTalk Server:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.