Setting daily maintenance window settings
You can set the time for daily maintenance jobs under Administration > Maintenance: Maintenance Window. The maintenance window is used for nightly jobs, for example, preventative database maintenance and backups for all appliances. These configuration options are available:
Start Time
Specifies the start time for the job. Use this format: hh:mm:ss. The duration of Maintenance Window should be at least three hours.
End Time
Specifies the end time for the job. Use this format: hh:mm:ss.