If you are wanting to restore the entire server to an earlier date, you would need backup of the C drive and System State preferabely from the same backup set. Once you have this, follow the steps mentioned in the DR document below.
http://www.symant...
What is the location of the file. if the file has been named something like this "{277655A7-9005-4F04-B66F-FE737FD8F312}_5.img" the it might be a Backup Exec catalog file.
The issues that you described seem to be vaugely similar to a restore issue which is being worked upon by Engineering. However, the same has not yet been reported to happen while backing up or duplication. Is it possible for you to open a support cas...
Typically, when you install the OS and Backup Exec you need to restart the server in the DSRM mode and then perform the restore of System volumes (C:\ D:\ etc) and System State.
I am assuming this is what you are attempting to do.