. Symantec - Backup Exec 2012 Library Agent 1 Yr Basic Support Symantec Backup Exec. Reliable windows server backup software designed for your growing business.. Backup Exec 2012 is one integrated product that protects virtual and physical environments simplifies both backup and disaster recovery and offers unmatched recovery capabilities.Backup Exec Library Expansion Option. Provides the ability to leverage additional tape drives within a multi-drive tape library. When you install Backup Exec support for the first drive in every robotic library is included. The Library Expansion Option enables support for each additional drive in a robotic library. Backup Exec supports one of the most comprehensive lists of tape devices in the industry with support for almost all SCSI SAS and Fibre attached tape devices from single drive libraries to large tape silos..