Use the Log Shipping Schedules screen to specify a schedule for any log shipping actions.
View the current log backup schedule.
Display the Edit Recurring Job Schedule dialog box, where you can change the current backup schedule.
Set the frequency with which transaction log backups are to be loaded.
Set the age a transaction log backup must reach before it is eligible to be loaded.
File Retention Period
Set the age at which a transaction log backup will be deleted.