In a Windows Server Core environment, you can operate Data Protection for SQL Server from only the command-line interface. You can issue the backup command to protect your Microsoft SQL Server 2012 and later versions.
tdpsqlc backup databse_name backup_type [other_options]
tdpsqlc backup DB_01,DB_02 full /backupmethod=legacy
tdpsqlc backup * full /backupmethod=legacy
tdpsqlc backup DB_01 Group=DB_01_group1