The user account, under which Acronis Managed Machine Service is running, has no Back up files and directories and Restore files and directories privileges

Components for centralized management of Acronis Backup & Recovery 11 are compatible with the Agents of Acronis Backup & Recovery 10

Prepare machines for remote installation of Acronis Backup Advanced components

In medium or large infrastructure you may want to do a granular upgrade - upgrade to Acronis Backup & Recovery 11 components in stages