Host validation error on deployment step

Have you also updated the storage-proxy aliases section?

Yes, it’s updated.

As for the client GO error, i wouldn’t move on to that problem until you can confirm on your mender client device passes openssl s_client testing with your domains certificates trust chain

Is that the result of test that you’re seeking for? (this is from the client-side)

And this is the cert I deployed to the client:
image

And this is a test curl command: