.Mac: Scheduled backup may be delayed after computer wakes from sleep
Symptoms
After putting your computer to sleep and then waking it up before a scheduled Backup, the Backup may not occur at the scheduled time. If the computer was asleep during the scheduled backup time, the scheduled backup may be delayed for the same length of time that the computer was asleep.
Products Affected
.Mac, Mac OS X 10.4, Backup
Resolution
If you wake your computer from sleep and a scheduled backup doesn't run as expected, open the Backup application and manually perform a backup. After performing a backup manually, any future scheduled backups will work as expected until the next time the computer goes to sleep.