Activate the Use scheduler option in this dialog to use the scheduler for a job. If the checkbox is already enabled, you can click Set up... to open the scheduler.

The Scheduler dialog:

• Action
  • One time. Setting for jobs. The schedule for this job can only be defined under Schedule, all other settings are grayed out. The job is executed once.
  • Recurring. All settings are available, you can create an individual schedule for this job.
• Duration
  • Start. The job starts at the specified date.
  • No end date. The job is performed until it is deactivated.
  • End by. The job ends at the end date defined by you.
• Daily frequency
  • Once from. Start time for the job.
  • Each. Here you can specify the regular intervals when the job shall be performed (each X minutes, hours, days or weeks). The job is performed again each time.
  • Start. Start time for the job.
  • End. End time for the job.
• Recurrence pattern
  • Daily/Weekly/Monthly. The job is performed according to the selection—either daily, weekly, or monthly.
  • Each n day(s). The job can be performed every n days. 
  • Every business day. The job is performed every business day, but not on Saturdays and Sundays.
• Perform overdue installation. This option ensures that missed or overdue installations within the defined recurrence pattern are performed as soon as the user logs in again.