I found this post helpful. Not sure why things worked, but I did the
following:https://www.googlenestcommunity.com/t5/Nest-Wifi/Connection-Failed-trying-to-add-3rd-nest-router/m-p/36217#M31021.
Did another reset on the new Nest Router.2. Used my iPad...
I have the same problem. Was on with Google support for about 1.5 hours
and we couldn't add the second Nest Router to my existing mesh network.
Seems like a lot of people are having this issue. Hopefully, there is a
solution?This morning I tried agai...
