MySQL Workbench (version 6.0.8) SSH Authentication Issue

Question

I am trying to connection to a MySQL server on Host X through machine Y over SSH.

The same setup (but older version of MySQL workbench) works on my another box (CentOS 6

Answer 1

I've just come across this again recently. If you use a password protected private key and you just upgraded to macOS Sierra you probably need to re-add your private key to your keychain again.

ssh-add -K ~/.ssh/id_rsa

This instantly fixed the problem for me.