1. The send port was not yet created while the Receive Location has already been picking up the messages
2. There are now three running instances in the Group Hub
3. Thes subscription for the SendPort1 is there
4. The filter says BTS.ReceivePortName == RPFF001 and the name of the port is RPFF001
5.
the filter on the subscription.
http://schemas.microsoft.com/BizTalk/2003/system-properties.ReceivePortName == RPFF001
Or
http://schemas.microsoft.com/BizTalk/2003/system-properties.SPTransportID == {EEB67386-7107-4EED-8D5C-4882C7C67FC7}
Why would the messages are not being picked up by SendPort1