We've had this problem since last year and nobody has helped us.
https://www.googlenestcommunity.com/t5/Apps-Account/Camera-offline-since-transferred-to-Google-Home/m-p/779834#M35902
Here's a method that seems to be temporarily solving the problem.
https://www.googlenestcommunity.com/t5/Apps-Account/Camera-offline-since-transferred-to-Google-Home/m-p/785551#M36198
Here's a method that seems to be temporarily solving the
problem.https://www.googlenestcommunity.com/t5/Apps-Account/Camera-offline-since-transferred-to-Google-Home/m-p/785551#M36198
I followed @alitgreen recommendation and it seems to be working; the
camera connection has been stable for 3 days. The history option is
gone, but at least you can use them for monitoring.
