When a backup set is selected in the Storage properties, and selecting another backup set by holding the SHIFT key after scrolling UP few pages, instead of selecting all the backup sets between the two backup sets that are selected, it selects/highlights all the backup sets which are above the second backup set selected.
This issue is resolved in Backup Exec 2014 or later versions.
To resolve this issue and receive the new Backup Exec improvements please upgrade to the current version of Backup Exec.
NOTE: Symantec continues to focus on the current release and future releases, there are no plans to address this issue by way of a patch or hotfix in earlier versions of the software at the present time. Please contact your Symantec Sales representative or the Symantec Partner for upgrade information including upgrade eligibility to the release containing the resolution for this issue. For information on how to contact Symantec Sales, please see http://www.symantec.com
2) Select the first backup set which is on top in the list and then SCROLL DOWN and select the second backup set.
Backup Exec 2012 with SP1a