I have a 4K TV (LG 65EF9500) and VIZIO S5451w-C2 (5.1) sound system.
I ran into error code 0x80bd0009 trying to set up my new Xbox One S today. It happens when I tried selecting 5.1, 7.1 or Bitstream audio output.
This did not happen before with my Xbox One.
I found this thread
But if I set the input to "HDMI" instead of "Auto" I lose 4K and HDR, which means it's effectively a non-S Xbox One.
Did anyone else run into this problem?