The following limitations exist when you perform backups and restores of SharePoint Server:
Redirected restores are only supported for Web applications or for SharePoint 2003 portals or team sites. You cannot redirect this type of restore to another farm but you can redirect the restore within the original farm.
The following cannot be redirected to another Web application or another SharePoint 2003 portal or team site:
If you perform a restore of a SharePoint 2010 item with Granular Recovery Technology, any SharePoint 2010 user ratings and tags are synchronized to the current settings of the user rating and tags in the respective metadata databases.
Due to Microsoft API limitations, NetBackup does not support backups of the following: