upgrade backupexec appliance 3600.R2 to backupexec2014

Hy all,

I'm trying to upgrade the appliance of one of my customers.

I'm following this TN: http://www.symantec.com/business/support//index?page=content&pmv=print&impressions=&viewlocale=&id=HOWTO101525

and i'm allready stuck in the prerequisites. the HF they mention isn't found by the appliance. Even if I open an RDP to the appliance and launch the live update directly from the server, the hotfix isn't found.

if I try to bypass it, and continue, i'm unable to launch the command "upgrade-appliance" in the powershell session

I have allready opened a case at symantec, but maybe the solution will be provided faster in this group