Here is something I’m sure I’ll come across again. So this is a note to self (I’m very forgetful), and a little helper if anyone out there gets the same issue. If you have multiple messages in your BizTalk map ( if you don’t know how then Google for “biztalk map multiple schema”), and then you need to update one of the messages’ schema, the schema in the source pane does not show the add fields! I think this mainly happens if you update the schema of the...