Apple Music - Speakers Stop Playing Music, But App Shows Music Still Playing

​@Macollin1 this has been working for me the past weeks as well now. I say they did something as I had not been messing with anything onmy system apart from the usual updates of Sonos.

Same issue here, only seen it with my Era 100 which is often grouped with my Amp. Starting a new album or playlist resolves it temporarily. Happened twice in the last two days. Grabbed a diagnostic from the latest incident: *************

Moderator Note: Diagnostics number recorded and removed. Modified in accordance with the Community Code of Conduct.

My problem is similar, but the music cuts out with 30-20 seconds left on the track then returns with 10-5 seconds left on the track.  Sometimes 6-7 or more songs play fine, the cut out occurs for 2 songs, then its back to normal for a few songs. I’m using a Play3.  It occurs with Apple Music and other streaming music services.  It also occurs using the Sonos app and the SonoPad app. In my case the app doesn’t appear to matter. 

The issue you’re describing sounds a lot like it might be a potential IP address issue, exposed when Sonos reboots their system every time they update their software. Try this:

Unplug all your Sonos devices from power. While they are powered off, reboot your router. Give the router a couple of minutes to come back up, then plug in your Sonos devices.

A more permanent version of this is to go into your router’s software and assign reserved IP addresses for all your Sonos…if that is possible (it isn’t always a feature you can access, check your router’s manual). 

Note that this has nothing to do with signal strength of your network, it is merely an addressing issue, making sure the packets of data are being sent consistently to the correct device. 

​@Airgetlam Thanks.  I’ll check if I can assign a reserved IP address to the Play3.

I’ve tried the first option of unplugging the Play3, rebooting the router, then plugging the Play3 back in.  It only works for awhile, and the problem returns.

Probably until such time as Sonos renews their firmware. If I’m guessing correctly, it may suggest that your router is getting ready to fail, as it seems, at least potentially, to frequently hand out bad IP addresses. Although I suppose that might be resolved in a router firmware update, too. Hard to know, without study. 

(another ‘same thing’ post) - Apple Music → Sonos 

Speakers have nailed IP addresses (always have) - I don’t think this is a layer 3 connectivity issue.

It appears that the problem comes when one of the speakers (300 pair in my case) renews it’s DHCP lease/flips to a different AP - the stream never recovers - that could be because the multicast is pointing at a different place and not re-registering either quickly enough or at all. I’ve tried fixing both speakers to a particular AP (can do that on a unifi network) to minimise flap - will see how that goes.