I would also suggest you guys to check out BKF Recovery Tool From if you are facing any corruption issue in MS BKF file created with and Backup Exec.This software is

designed to deal with all types of complications, such as run time error, unrecognized file, and CRC errors because of which your BKF files go inaccessible and

corrupt. With this tool, your BKF files, that are damaged or corrupt because of any reasons, can be repaired and restored. It features advanced and complex algorithms

which efficaciously scan corrupt or damaged Microsoft Backup data and restore them. After recovery of these files, it saves these files at your desired location.

Download Link : http://www.filesrepairtool.com/bkf-repair.html