Plesk Backup with option All objects (entire system) under customer's account is not restored

Symptoms

• Several IP addresses defined on the server.
• Backup created in Plesk with option All objects (entire system) could not be restored: on Define IP addresses mapping step, nothing happens after clicking OK.
• Backup restoration performing under customer's account.

Cause

Plesk bug PPPM-8094 which will be fixed in next Plesk updates.

Resolution

As workaround perform the following:

1. Connect to the server via SSH
2. Back up /usr/local/psa/admin/plib/backup/Conflicts/Detector.php file:

   # mv /usr/local/psa/admin/plib/backup/Conflicts/Detector.php /usr/local/psa/admin/plib/backup/Conflicts/Detector.php_back

3. Download file attached to this article, unpack it and place into /usr/local/psa/admin/plib/backup/Conflicts/ directory:

   # wget https://support.plesk.com/hc/en-us/article_attachments/360001938873/Detector.zip
   # unzip ./Detector.zip
   # mv ./Detector.php /usr/local/psa/admin/plib/backup/Conflicts/Detector.php

4. Give required ownership and permissions to the file:

   # chown root:root /usr/local/psa/admin/plib/backup/Conflicts/Detector.php
   # chmod 644 /usr/local/psa/admin/plib/backup/Conflicts/Detector.php