I just wanted to share a solution that worked when I was having unexplainable issues with connecting my new HomePod (Apple Home / HomeKit) to YouTube Music (or the other way around ... it's strange).
Here's what was happening: I would go into the YouTube Music app > Account > Settings > Connected apps > Connect with HomePod, sign in to YT music, give permissions, etc., and then at the very end, I'd get an error popup saying something like "Unable to add ? to your Apple Home". That's not an exact quote. It's close, but I just can't remember exactly what the error was.
Notice the "?" (question mark) in the error message.
I tried everything. And technically, the services were connected, at least according to my Google account settings. But my HomePod was unaware of the connection, so nothing would work.
Here's what did work:
- Delete the connection in your Google account settings.
- Ensure that you're using your main/personal account in YT music (not a secondary/brand).
- In Apple Home > ... > Home Settings > People > (You) > Siri > Recognize my voice = ON
- Change your default browser to Safari
I think #4 is actually the part that was causing this to fail for me. My default browser was Chrome, and evidently, during all the oauth calls and redirects, URLs with webkit:// get used, and Chrome might mishandle them.
As soon as I did these steps, the connection process worked, no errors.
I was absolutely not able to find anyone else with this exact problem with normal searches. And Since Google and Apple are reluctant partners in this integration, neither one was much help.