Create Differential Backups

To create a differential backup of a source volume:

  1. Run the Restore Wizard from the Tasks menu option or from the Wizards tab.
  2. Select Perform a Differential Backup as the restore type in the Restore Wizard.
  3. Select the previous backup file for that volume (either a .SPF or a .SPI if this is a subsequent backup incremental).
  4. Review the Dependencies page to ensure the selected file is the latest backup.
  5. Confirm the destination of the new backup incremental file. This must be in the same folder with the rest of the backup chain.
  6. Click Finish.
  7. Restore Wizard executes the backup.