Error: SSH_MSG_DISCONNECT: 2 Too Many Authentication Failures

Issue

While connecting a database to Fivetran using an SSH tunnel, the following error appears:

SSH_MSG_DISCONNECT: 2 Too many authentication failures

Environment

• Database connectors
• Connection method: SSH tunnel

Resolution

To resolve this issue, do the following:

1. In Fivetran, go to your connection overview page.
2. Select the Setup tab.
3. Click Edit connection.
4. Find and copy the Public Key.
5. Add the public key to your SSH server's authorized_keys file.

For more information, see our SSH Tunnel setup documentation.