I noticed that there are DVR builds for WD-NASes, so I went ahead and set that up and it works. So I have a working DVR again, but not where I really wanted it.

Billi23 wrote: Fri Sep 18, 2026 8:56 pm Did you get prompted to "Allow "HDHomeRun" to find devices on local networks"?
Does the HDHomeRun.app show enabled in Privacy & Security > Local Network?

Yes, and Yes.

jasonl wrote: Wed Sep 16, 2026 4:38 pm What is the device ID for your HDHomeRun?

Are you looking for these?
107034E2 Connect Quattro
10805802 Connect 4K

They work, I can still watch live TV with them, but I cannot record – and it all worked before I upgraded to macOS27 (and, as I said, also reverting to 26.7 on a test machine)

I upgraded my M1 MacMini with the DVR on it to macOS 27 on Monday, and the applications now gives me a "Your HDHomeRun DVR wasn't found" error in the recorded tab. I took another M1 MacMini I had laying around, gave it a fresh install of macOS 27 and still same problem. I then did a wipe and ...