NTBackup.exe is a built-in command-line Windows backup utility. The tool empowers you to perform backups on an external storage media in proprietary backup file format- BKF. To verify if backup job is successfully completed without any errors, you are recommended to select Verify After Backup. Doing so checks the backup status and marks associated entry in Application Event Log. If BKF file is corrupted, you can analyze it through these entries and take appropriate measures. A corrupted BKF file can be repaired using an efficient bkf repair tool that could repair and restore the damaged Windows backup file.

For an instance, you might come across the below entries in Application Event Log:

ID : 8009

Source : NTBackup

Type : Information

Category : None

Decription : End Verify to 'C.'

Or

ID : 8009

Source : NTBackup

Type : Error

Category : None

Decription : End Verify to 'C.'

These entries are logged only if you have selected Verify After Backup option.

Cause

These entries are logged when one of the following conditions is true:

• Some changes to the backup file (BKF file) have been added or deleted since you have taken the backup

• Backup file is corrupted

If Verify After Backup is selected, NTBackup each time verifies the backup file after the process is complete. If it finds any differences between the tape and drive files, it reports errors, as above. However, if there are no differences, the event logs give success messages. To get more information about such errors, you can view Backup.log file.

Solution

You should regularly practice to view these logs in order to prevent data loss due to invalid backup. However, to deal with such problems, you should consider these recommendations:

• If no data loss has occurred till, you should perform the backup again

• Restore the lost data from another copy of backup

• To repair the damaged BKF file, you can use a third-party bkf repair tool to carefully diagnose and repair the file. BKF Repair software are powerful utilities to repair an inaccessible and corrupted BKF file, while maintaining data integrity.

BKF Recoveryis an advanced and fully-featured repair utility for repairing damaged BKF files created with Windows 2003, XP and 2000 backup utilities. It is an instant BKF Repair Toolthat allows BKF file repair for files created with Backup Exec by VERITAS software. The application is compatible with Windows Vista, 2003, XP and 2000.