Good morning, all!
I have a Windows 2012 server that has Windows backup running. I've configured an external USB drive for the backup target. I can get six to eight backups on the drive, depending on the day.
According to the information I can find, Windows backup is supposed to delete the oldest backups to make room for the new backup. However, what I've noticed is that Windows backup will fill the disk, then deleteall the backups on the external disk and start over. For example, on Monday I start with an empty disk and make one backup. Tuesday through Friday full backups occur as expected. Then, Saturday night, all the copies disappear and the backup starts over. Right now I see 6 copies that I can restore from. By the end of the week, I'll be back to one or two copies and start the cycle again.
I haven't found any place to modify this behavior. It would seem that overwriting the oldest copy, just enough to make room for the current backup, would be the default behavior. Is this normal for backup, or is there another place to look?
Thanks!
Gregg