This illustration shows the Scheduled Jobs section of the Notification subtab, and is explained in text.
In this section you can supply the following information:
Whether CRLs are to be automatically generated and if so, on what schedule. If you check this box, you need to specify the elapsed time before the first generation, in hours and minutes; the intervals at which a CRL is to be generated, in days, hours, and minutes. You can also specify how often the validity of the automatic CRL generation is checked, in days.
Whether directories are to be automatically synchronized and if so, on what schedule, in days, hours, and minutes.