Nest integration - unable to add

HA v 2022.7.6

Trying to re-add my Nest integration following the new OAuth requirements. I have followed the guide, but as soon as I enter the last step, I get an error page from Google saying: “Can’t link to XXXXX. Please contact XXXXX if the issues persists”.

My only thought on why this could be happening is that my instance of HA is http, not https. When I visit https://my.home-assistant.io I have edited my URL to be http://IPADDRESS:8123.

Could this be tripping up the OAuth flow? Would appreciate any thoughts/insights.

After I posted, I wondered if I could edit the link to redirect to my NabuCasa https URL instead. Still no dice…

I was having the same issue and I went through the setup three times to a “T” with the same error as you were getting.

If you have had Nest configured before (which looks like by reading your post), there is a step in the troubleshooting that I completely missed:

image

Once I deleted my old credentials out of Application Credentials, it worked. You may look and see if that is what your issue is.

Scott

That was exactly it… thank you!

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I pulled what little hair I had left out over this. Then I found it right before I was getting ready to give up LOL. Glad you got it going!