BizTalk 2006 seems to have a deployment quirk that has been no small source of frustration for me. I don't know if this is widespread or if I just have a bad install but it seems that whenever I change a port (add a port or remove a port) I get an error similar to the following:

I decided to whip up a quick prototype of FailedMessage subscription in BizTalk 2006 and I ended up hitting a couple of bumps in the road on my first shot. I'm the kind that does not stop and ask for directions, nor do I take the time to look at samples. I try to do it on my own, and failing that, I'll hit the blogs. All of that with a couple of trial and error sessions produced the following notes that I will use when trying this again: