Backup Fails on Last file

I am using Windows XP Backup Utility to back up multiple computers in a Windows XP environment to a HP StorageWorks Ultrium 1760 tape drive. The backup fails with the following error
"The device reported an error on a request to write data to media.
Error reported: Invalid command. There may be a hardware or media problem." but only on the very last file of the last computer. In doing a terst restore, all files except the last one can be restored succcessfully. Any ideas?
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dbruntonConnect With a Mentor Commented:
I don't know what is causing the error but a cheating method would be to make sure that the last file is always a file you don't need.  That will ensure that you backup your data.

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Hi John

How do the backups run across the network to the tape drive? What time are the backups running? Is there another backup process running as well.

To troubleshoot I would try the backup on the last machine to see if it fails and i would also try backing up the other machines without the last one to see if it fails.
JohnClingAuthor Commented:
Only one machine has a SCSI drive and the full backup runs from there. No other processes running. It doesn't matter whether 5 files or 50,000 files being backed up. Always comes up with error on the last file only.
So the problem is the last file in whichever set of files it is copying?

For example if it copies (in order) a, b, c, d, e the problem file is e

If it copies a e b c d the problem file is d.
JohnClingAuthor Commented:
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