Cannot restore Microsoft Information Store

I've got a corrupt Exchange database and all attempts to repair it have failed. There was a similar corruption some months ago and I recovered by restoring a Backup Exec backup. This time however, it won't restore. It goes through right to the end and then fails with "Final error: 0xe000fe7a - An error occurred while accessing Microsoft Exchange Server. Check the application event log on the Exchange Server for more details". I've looked in the Application Event log but that doesn't seem to help much.
No config changes have been made to the server since I last did a restore so in theory this should work.
Windows SBS2003 and Exchange 2003

Got to keep this thing running for the next couple of months until the new server arrives :-(
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Will SzymkowskiSenior Solution ArchitectCommented:
I would highly recommend Exchange Recovery by Kernel Data Recovery

This will allow you to repair Any Exchange version database and also do this offline so that you are not impacting the production Exchange environment.

AmitIT ArchitectCommented:
ClintonKAuthor Commented:
Thanks, but it's the restore that's failing rather than the backup. The backups have been fine.
ClintonKAuthor Commented:
I have now managed to restore the MIS.
I had to remove all the files in the mdbdata folder before the restore would complete successfully. No amount of eseutil running would fix the problem.

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ClintonKAuthor Commented:
Removing all the existing files in the mdbdata folder did the trick. It's essential that the folder itself is not removed though or else this gives another error about not being able to find a device to restore to.
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