Symptoms
- Backup created in Plesk 17 Onyx
- Unable to restore backup in Plesk 18 Obsidian:
PLESK_WARN: The backup you are trying to restore was created in an unsupported version of Plesk and can not be recovered. Use the Plesk Migrator extension to transfer your data from legacy Plesk versions.
Cause
Product issue:
-
#PPPM-10996 “Backups created in Plesk Onyx 17.x can now be restored in Plesk Obsidian.”
Fixed in:- Plesk Obsidian 25 September 2019 (fixed as PPP-44246, Windows)
Resolution
Please consider updating your server:
Workaround
If update is not possible for some reason you may try the following
workaround
- Download and open backup file with any file archiver. For example, 7-zip.
- Find and open backup .xml file in any text editor. For example, notepad.
- Find dump-version and change it from 17.0 to 18.0:
 - Upload backup to Plesk Obsidian and restore it
