Built in backup and restore facility for sharepoint does not work for Project Serverhttp://blogs.technet.com/b/raymond_ris/archive/2010/03/29/built-in-backup-and-restore-facility-for-sharepoint-does-not-work-for-project-server.aspxIf you are getting the following a similar error message after trying to migrate/do a full backup from the central admin than you have run into a Backup/restore procedure mishandling . The solution to this problem would be a manual backup and restoreen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)