Unable to start migration with one of the following error messages:
PLESK_ERROR: Unable to login to the source server ‘source’ (203.0.113.2) by SSH service: administrator login and/or password are not correct.
Set valid SSH credentials for the server and click “Prepare migration”.
PLESK_ERROR: SSH connection to the source server can not be used: there is unexpected output when executing commands.
Migration fails with one of the following error messages:
PLESK_ERROR: Cannot request remote agent status using command line
PLESK_ERROR: Failed to fetch basic information about resellers, clients and domains data from source servers. Cause: Command execution failed on the local server with non-zero exit code.
Plesk Migrator cannot log in to the source server using SSH key.
Connect to the source server via SSH.
Note: if direct SSH access to the server is not possible, contact server administrator for further assistance.
/etc/ssh/sshd_configfile in a text editor. In this example, we are using the vi editor:
# vi /etc/ssh/sshd_config
PasswordAuthenticationsettings to ‘yes’ and remove ‘#’ at the beginning of each line as shown below:
Save the changes and close the file.
Restart the SSH service:
# service sshd restart
Note: If you doubt that the root password is correct, reset it with the command ‘passwd’.
To migrate with a non-root user, visit:
To learn more about Plesk migration, visit: