To run the backup program on a Server Core system, you can just use WBADMIN as you would (for example) in a script on a full server box, for example: wbadmin.exe start backup -backupTarget:servershare ...

While you can do almost everything you need in Windows by clicking around, it’s worth your time to learn a selection of Windows' many commands. You don’t need to be scared of text-based commands; many ...