Hi, I have MyCloud Home. I have copied all my music to it from iMac. I setup the my home music service for Sonos. When I try to play music through Sonos I get the above message. Sonos is updates across all devices. MyCloud Home is at latest update. I can play Spotify Service through Sonos. If I revert to playing music off iMac through Sonos it works. I can browse to MyCloud Home off iPhone, iMac and MacBook Pro and see all music files. The MyCloud is directly connected to router. All devices mentioned above use WiFi to connect tin sonos. Any help would be appreciated. Thanks Julie
Have you tried connecting the Sonos through Ethernet instead of Wi-Fi?
IE" process of elimination