Migration performed from Plesk 18.0.27 or lower to 18.0.27 version failed with the following error:
PLESK_ERROR: Failed to import backup dumps to target panel’s repository
Cause: Failed to import backup XML: errcode must be ‘0’ (no errors) or ‘116’ (backup sign error).
Output of pmmcli utility:
<?xml version=“1.0” encoding=“UTF-8″?>
<errmsg>Unable to import file as dump: Import error: Unable to find archive metadata. The archive is not valid Plesk backup or has been created in an unsupported Plesk version</errmsg>
That is a critical error, migration was stopped.
Additional Apache/nginx directives are not migrated with the following error:
PLESK_ERROR: Failed to transfer additional Apache/nginx directives
Migration tools tried to perform operation in 3 attempts: Command LANG=en_US.UTF-8 ALLOW_WEAK_PASSWORDS=1 PLESK_RESTORE_MODE=1 backup_restore_helper –restore-subscription example.com -ignore-nonexistent-options failed with exit code 1:
stderr: Unknown command: –restore-subscription
Note: The above error is shown after updating to the new Plesk Migrator version v2.19.4
Bug #PMT-4781 has been fixed and migration is now possible.
To fix migration error, update Plesk Migrator extension:
Note: If no updates are shown that means that Plesk Migrator has already been updated. The version can be checked in Extensions > Plesk Migrator