Symantec 20032623 - Endpoint Protection Small Business Edition Implementation Manual page 194

194 Customizing scans
Allowing users to view scan progress and interact with scans
To limit the number of times a user may delay (or snooze) a scan, in the
Maximum number of snooze opportunities box, type a number between
1 and 8.
By default, a user can delay a scan for 1 hour. To change this limit to 3
hours, check Allow users to snooze the scan for 3 hours.
7
Click OK.