Up to yesterday I was able to connect to a pair of Sonos One via Airplay/Wifi (same network) from my AppleTV 4K and used the Ones as Speakers for movie sound - worked fine.
Since of today, the Sonos speakers are not visible any more in AppleTV's "audio and sound" setting.
As I have in total 4 Wifi Access Points in the house, I played with them too. The Sonos connects to one, the AppleTV to another. However, all devices are in the same subnet.
I can stream to the Sonos speakers from other Apple devices in the Network via AirPlay without problems.
Any idea? How can I check what could be wrong?
Best answer by Mkringl1
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