You can restore SharePoint 2003 resources.
See About selecting SharePoint 2003 resources for restore.
To restore SharePoint resources
-
Select the full and differential backup sets that correspond to the SharePoint data you want to restore.
If you restore the SharePoint resources for a portal site in one job, the Index database is restored last. If you are restoring in separate jobs, you must restore the Index database last.
-
On the Properties pane, under Settings, click Microsoft SharePoint.
-
Set additional restore options on the Properties pane or start the restore job.