Problem Backups fail with message "Backup failed unexpectedly" Cause Acronis is no longer installed on the agent machine. Resolution Schedule a new installation from Backup > Install/Remove page. If installation fails, or cannot be verified, please refer to this KB article for further troubleshooting steps - https://helpdesk.kaseya.com/hc/en-gb/articles/229017788-Backup-client-installation-failed Applies to Kaseya VSA (Backup module) - all versions