Following pop-up message is seen while attempting a direct upgrade to Backup Exec 2012
Symantec Backup Exec version xx.x is installed on this computer. A version of Backup Exec later than or equal to 12.5 is required to upgrade directly to
A version of Backup Exec later than or equal to 12.5 is required to upgrade directly to Backup Exec 2012. See related articles section for instructions on how to upgrade Backup Exec to 12.5 or 2010.
Current version - Backup Exec 12.0 or prior
Attempting a direct upgrade to - Backup Exec 2012