Hello, I am trying to restore a backup that I took from a server 2003 sp1, ISA 2004 machine on to a server 2003 gold machine. Each time I try to cataloge the file, I get an error "The backup file contains unrecognized data and cannot be used". To add to this, I can browse the contents of the BKF file on the server that I took it from. What I am trying to do is restore it to Virtual PC image of a bare server 2003 to test the restore procedure. I found an article that explains the incompatabilities between other versions but not this case. The backup was verified when complete as successful but will not work. Does anyone have any suggestions? Thanks