Google Nest Community

Try changing the date on your phone to before March 8th and it should let you do it!

I changed the date on my phone as was able to get it to work!! 

POSSIBLE TEMPORARY FIX:It appears that someone at Google overlooked updating the essential certificate files for the Chromecast (2nd Gen) and Chromecast Audio, which is possibly causing the problem. One Redditor claims that the intermediate certifica...