Next time (if there is a next time) do a help/about, and copy down the serials
displayed. They will work as install serials

About all you can do is call or E-Mail Veritas and give them the v6 install
serial(s) and the v7 upgrade serials. They should give you v7 install serial(s)

Anders Oma wrote:

> Due to som troubleshooting on our backup-system, I uninstalled Backup Exec
> 7.3. When I try to reinstall it realize that my CD is an upgrade. I then
> install our previous version: 6.11.
> But when I try to upgrade to version 7.3 I get the following error message:
> "Unable to detect a previously installed version of Backup Exec. ...". (6.11
> is installed and working all right).
> I find some information on the same problem, only this is upgrading from
> 7.3 to 8.5, and a link to a hotfix. But the link did not work, and the fix
> was only for version 8.5.
> Can someone help me with this?
>
> Tanks,
> Anders Oma