Unable to perform snapshot Backup when multiple SQL 2012 databases are selected in the Backup Job
Backup Exec locks up if more than one SQL 2012 database is attempted to freeze during a snapshot backup.
sysadmin role for the NT authority\system account is deselected in SQL 2012
This Issue is fixed with Backup Exec 2012 Hotfix 180962
1) Open SQL Management Studio
2) Click on security->logins
3) Enable the sysadmin role for the NT authority\system account.
SQL 2012 and Backup Exec 2012