Unable to start migration: Failed to fetch basic information about resellers, clients and domains data from source servers

Created:

2016-11-16 13:00:33 UTC

Modified:

2017-08-08 13:12:03 UTC

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Unable to start migration: Failed to fetch basic information about resellers, clients and domains data from source servers

Applicable to:

  • Plesk for Linux

Symptoms

Unable to start a migration. The following error is shown:

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.
command: rsync -l -e 'ssh -i /usr/local/psa/var/modules/panel-migrator/sessions/XXX/ssh-keys/id_rsa -p 22 -o PasswordAuthentication=no -o StrictHostKeyChecking=no -o GSSAPIAuthentication=no' /usr/local/psa/var/modules/panel-migrator/sessions/XXX/ssh_upload.1 root@203.0.113.2:/tmp/panel_migrator/version
exit code: 255
stderr: Permission denied (password).
rsync: connection unexpectedly closed (0 bytes received so far) [sender]
rsync error: unexplained error (code 255) at io.c(226) [sender=3.1.0]

Cause

Plesk Migrator cannot log in to the source server using SSH key.

Resolution

  1. In /etc/ssh/sshd_config file make the following changes:

    from:

    PubkeyAuthentication  no

    to:

    PubkeyAuthentication yes
  2. Uncomment the following line in /etc/ssh/sshd_config file:

    AuthorizedKeysFile .ssh/authorized_keys
  3. Reload SSH service:

    # service ssh reload
  4. If steps above did not help, check SSH log file to troubleshoot the issue:

    • 
          /var/log/auth.log
          

      Or

    • 
          /var/log/secure
         
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