I am not familiar with tape encryption using a dek file. Tape encryption is typically done with a passphrase/password. If you know the passphrase, you can restore an encrypted tape using a fresh install of BE.
I assume you are referring to the .dek file that Backup Exec uses to encrypt the BE database? Sorry, but I don't know of any way around that.
Thanks, I have tried every passcode I think off but no joy. My backup is from Backup Exec 15 and I am tryiing to restore from Backup Exec 20, could this be why?
Where exactly are you getting stuck? I assume you are trying to enter a passphrase to read/restore the tape?
As far as I know, nothing has changed in the hardware encryption or the passphrases between BE 15 and BE 20. But, since you are likely testing with a clean install of BE 20, I would do a clean install of BE 15, just to try and eliminate variables.
What type of tape drive? (ie Brand, model, LTO generation)
Is it on the BE 15 HCL? Is this the same tape drive that wrote the tape in BE 15 originally? Or did you change tape drives also?
HP LTO4 should be supported just fine by BE 15 and BE 20, so I would try BE 15 again as it likely was some sort of Windows discovery issue. If Windows can see the tape drive, then BE should work with the tape drive with no extra steps required.
I don't know of a way around the pass phrase. It wouldn't be very good encryption if there were easy ways around it
None. You either have the .dek file which will decrypt the existing encryption keys in the BEDB or you have to enter the original passphrase that is used to encrypt the tape. Without either, you would not be able to restore the tape and nobody, inlcuding Veritas, will be able to help you.