Hi Andrew. I did what you said and, although I get a little bit further in the process, it still doesn't work. With the output set to PCM L16 No Header, the songs will start playing, no sound however, and get to exactly 5 seconds in each song, and then the player will stop by itself.
Additionally, I tried using the speaker via Ethernet instead of wireless with the same results. I reran your utility thinking something else might have changed going from wireless to wired and still ended up with the “SetAVTransportURI failed” error message at the end with no resulting "dolby digital" type sound that I got when scanning other renders in my system. Additionally, I tried to set DSP to convert everything to 44.1K but no joy here either.
Incidentally, is there currently a way to set the DLNA server in MC to do different things for different zones, i.e., setting the output to "original" for one zone and setting "PCM 16 No Header" for another or is it a one-size fits all?
Any other thoughts would be appreciated!