The most frustrating thing about SONOS is getting it up and running after setting up a new network.

To work around this, reset your SONOS device to factory defaults and the setup process should work without any hiccups. BEWARE THAT RESETTING YOUR SONOS TO FACTORY DEFAULTS WILL WIPE ANY STORED INFORMATION ON YOUR SONOS. In practically this means that you will need to sign into spotify or soundcloud again, or resync your music library to your SONOS device.

Instructions for factory reset:

How to factory reset your Sonos player

PLAY:1, PLAY:3, PLAY:5 (gen1), CONNECT, CONNECT:AMP and PLAYBAR:

Unplug the power cord from the electrical wall outlet.
Press and hold the Play/Pause button while simultaneously plugging the power cord back into the electrical wall outlet.
Continue holding the Play/Pause button until the light begins flashing amber and white.
Once reset, the light will flash green indicating the product has been reset and can be added back to your Sonos household.

PLAY:5 (gen2), BOOST, BRIDGE, SUB and PLAYBASE:

Unplug the power cord from the electrical wall outlet.
Press and hold the Connect button while simultaneously plugging the power cord back into the electrical wall outlet.
Continue holding the Connect button until the light begins flashing amber and white.
Once reset, the light will flash green, indicating the product has been reset and can be added back to your Sonos household.

Hope this helps.