How to set the backup retention duration (Enterprise Manager)

To set the backup retention duration

1. Expand a server group.
2. Right-click a server; then click Properties.
3. Click the Database Settings tab.
4. In the Default backup media retention (days) box, select a value from 0 through 365 to set the number of days the backup medium should be retained after it has been used for a database or transaction log backup.

   The default value is 0 days.