I have deleted Coyote WT from my system in order to rule out the potential for conflict between Coyote WT and Forte Dxi.

Unfortuneatley, on this particular unique small Midi-to-Sequence file, the strange "no sound until I change port assignments on a running file" anomaly still exists. It's a puzzler.

I must leave town for about a week, starting tommorrow. I will follow-up on this thread when I return ...