Transfer Tool error: Update the remote server, or fix its SSH

Symptoms

You may see the following error in the Transfer Tool while trying to transfer accounts between cPanel servers:

CONFIG_TEXT: Update the remote server, or fix its SSH

Cause

This can occur if there is an SSH access issue from the destination server to the source server.

Resolution

Note: For clarity, the server that Transfer Tool is performed on will be referred to as the "Destination" server, while the server that Transfer Tool connects too will be referred to as the "Source" server.

Locating a workaround for this issue involves identifying why the SSH attempt failed. The first step should be to attempt to SSH from the Destination server to the Source server. Afterward, depending on success, reviewing the SSH logs on the source server will help identify why the connection failed.

Where are the SSH logs

Common causes are related to the SSH configuration and Firewall filtering. For the SSH configuration, we have basic steps on how the file can be edited here:

How to edit your SSH configuration

Important configurations that you should check for are the following:

• passwordauthentication
• permitrootlogin
• allowusers
• denyusers

Additional Resources

ssh.com - SSHD Configuration options

How to edit your SSH Configuration

How to log into server using SSH?

What is Host Access Control?

How to use nmap to troubleshoot port connectivity issues