Same thing for me.  Sonos with Pandora running as a service quit in the middle of the day today.  It is now asking me for a Device Activation Code.  I've searched this site and have tried all recommendations for resolving this and nothing works.  I can no longer play my Pandora over my Sonos.  If I can't do this, there is no need for me to retain my Pandora subscription.  I have seen multiple posts on here where a lot of people are having the same problem.  PLEASE ADVISE. Sincerely, William ... View more