If you’re using Win Server 2003 and using the backup program default from windows, maybe you will little bit confuse when setting backup schedule in Win Server 2008. For now Win Server 2008 come with new feature.
Windows Server Backup (WSB) is the built-in backup solution for Windows Server 2008 that replaces the venerable NT Backup from Windows Server 2003 and before. WSB protects the files and the server os/application binaries within itself as a single-server solution.