I didn't have time because of work to do it, but was in contact with two other people here on the forum. Neither of them could get the two to work at the same time either, and they were both dealing with technical support. I may give it a shot in the future, but until ACT is rewritten, I doubt it will work.
It's really odd because they will start off working, but then it just seems to get corrupted. The fader will work, but not the transport controls, or faderport works fine and the 25SL quits sending midi.