SSE Symantec NetBackup 7 SSE+ Symantec System Recovery 2011 STS Symantec NetBackup 7.0 for UNIX SSE+ Symantec Backup Exec 2012 STS Symantec NetBackup 7.5 for UNIX SSE Symantec NetBackup (December 2013) SSE+ Symantec NetBackup 7.6 SSE+ Symantec NetBackup 5230 Appliance