Cause: Above mentioned problem occurs when you do not properly remove all termination jumpers before using NTBackup.exe utility. If the tape unit connected with Quantum ProDrive 1080s to the same SCSI (Small Computer System Interface) through one cable and you are using Windows NTBackup program which is known as NTBackup.exe utility then there is a possibility to get below mentioned error message:
Resolution: If this kind of problem interrupts you to restore backup files then get a reliable solution which ensures safe and easy corrupt backup database recovery and that is BKF Recovery Tool. Remember that the manual method is not the recommended solution because NTBackup cannot restore corrupted backup files. So, get the effective solution and restore backup NTBackup files in a safe manner.