Friday, May 7, 2010

Recuperation BKF file using variousVSS Server

There is a backup utility tool so called NTBackup utility in the Windows operating systems such as Windows Server 2003, XP, and 2000 which helps you in creating backups of your remarkable data in the form of BKF files and in case of backup file corruption one can use this tool and get it recovered using the Restore Wizard. Using this tool, backup can be restored on floppy disks, zip drives, magentic tapes and hard drives. Sometimes BKF files may get corrupt due to various reasons such as corruption in storage media, virus infections, power surges, human errors, etc. In such cases, one should have backup of the their data. However, if you have lost the data then this third party tool so called BKF repair tool can be taken in use to perform BKF recovery.

Consider a scenario wherein you have a Windows XP system. You have created a backup of your hard disk as you are about to format it. After formatting it, you try to restore the backed up data. You are unable to do so and an error message is displayed, that is:
“Backup Status
Operation: Backup
Active backup destination: File
Media name: "bkup_file.bkf created MM/DD/YYYY at HH:MM AM|PM"
NTDS has reported a VSS error 0x800423f0...”

The BKF file has corrupted and, thus, is inaccessible.

Cause:
The root cause for this error message is that the BKF file created in the Volume Shadow Copy (VSS) server interface has corrupted. The reason behind this is that the VSS server acts differently in both 32-bit and 64-bit versions of Windows operating system. A BKF file created in the 32-bit VSS interface needs a 32-bit VSS-based backup tool to restore the backed up data. Therefore, for appropriate restoration one needs to have the operating system, database, and the catalog files on the same volume. However, the aforementioned error message is displayed when either of the volume is on the system drive, which apparently leads to corruption of the BKF file, thereby accounting for restoration failure.

Resolution:
Windows may not provide you any method to repair BKF file. So, this third-party BKF repair tool can be used to repair the corrupt file for BKF recovery. Such read-only tools are able to repair BKF file without damaging the original contents.

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