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I have 3 era 100s. all 3 consistently show up in the Windows app (always there) but 2 of the 3 rarely show up in the Iphone app both in control panel Airplay and on the app system. Both will work with SVC but not available to cast music from my Iphone. Unplugging and restarting is only a temporary fix and before long the speakers become unavailable again.

I haven’t done a recent reset but after the last time I reset, the problem arises again soon thereafter. I’m on a newer Netgear mesh router where one of the hubs is only 2 feet away from one of the Era 100s not visible. Otherwise my WIFI is rock solid.

My Sonos Roam always appears available along with the Arc and Port.

My Sonos arsenal: 3 Era 100s, Arc, Sub Mini, 1 Roam, 1 Port.

Factory Resets are not recommended and often cause additional issues.

A first step that has helped many is to assign all your Sonos a static/reserved IP address from your router’s DHCP Settings page.

Power down ALL Sonos, reboot router and power the Sonos back up.

If you still have the issue after that submit a diagnostic to Sonos and call them to have it evaluated.


Thanks Stanley. I’ll give it a whirl.