Wednesday, June 9, 2010

Restoring BKF files when created in USB drives that use USB Storage Driver

In the Windows NT (Windows Server 2003, XP, and Server 2000) systems, there is the NTBackup utility that enables you to take the backups of your valuable data in the form of BKF files. This tool can prove to be very useful in case of data loss as you can restore the BKF files when the need arises to do so. However, sometimes it may happen that the BKF files themselves can get corrupt due to various reasons such as virus infections, human errors, CRC errors, etc. In such cases, you should use a third-party BKF recovery software to rectify the situation.

Consider a scenario wherein you have a Seagate USB 2.0 TR-5 Travan USB drive. Using this USB drive, you have created a BKF file in your Windows XP system. When you try to restore the BKF file, you fail to do so. An error message is displayed, that is:

“Required Media Missing
The next media required in the active family is not currently on-line.
Please insert the media:

Name_of_backup_media, media #0

or click Cancel to stop the current operation.”

And when you click Cancel to stop the current operation, the following message is displayed:
“Drive Error
The device reported an error on a request to mount the media.
Error reported: Unknown error.
There may be a hardware or media problem.
Please check the system event log for relevant failures.”

Cause:
This situation is caused if you create a BKF file in the USB drives that use the USB storage driver. The BKF files created in such drives cannot be restored.

Resolution:
To resolve this situation, you should try to again the take backup again if you have the data intact with you, this time without using that USB drive. If you do not have the data, then you should download the latest service pack for Windows XP. This should resolve the problem. However, if you are still not able to restore the BKF file then you should use a third-party BKF repair software to do so. Such read-only tools are able to repair BKF files from all instances of corruption without overwriting the original data.

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