Monday, May 17, 2010

Rectifying the CRC Error in corrupted BKF file

You must have gone through the pain of losing your important data due to various reasons. To avoid such situations, you should routinely backup your valuable data. For this purpose, the Windows (2000, XP, and Server 2003) users can use the NTBackup utility, which creates backup in the form of BKF file. These files are useful when you encounter data loss, data inaccessibility, drive corruptions, system malfunctioning, etc. However, even the BKF files can get corrupt because of various reasons such as virus infections, missing catalog files, media errors, CRC errors, etc. In such cases, you should recreate the backup. However, if you have lost the data itself, there is no possibility of recreating the backup. In such cases, you should use a third-party BKF repair tool to repair BKF file.

Consider a scenario wherein you have created a backup of a system over the network as you want to format it. After formatting the system, you run NTBackup to restore the backup. However, you are unable to do so. It seems that the bkf file has gone corrupt.

Cause:
The issue may have occurred because of the Cyclic Redundancy Check (CRC) error.

The CRC is used to validate the integrity of a data block. It is an error checking method in data transfer where a CRC character is produced at the transmission end. This character's value is dependent on hexadecimal value of all the 1s that are there in the data block. The error is a result of some of the bytes of the file getting lost or overwritten due to a random reason.

Resolution:
It is quite possible that you may have lost the data for which you created the BKF file. So, you would not be having the data anymore. To resolve this error you should contemplate using a third-party BKF recovery tool to repair BKF file. Such read-only tools are highly interactive and do not overwrite while scanning the damaged area using fast yet sophisticated algorithms. These tools do no require sound knowledge to perform BKF recovery of corrupted BKF file.

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