SSE+ Symantec Backup Exec 3600 Appliance (mid-market) STS Symantec Backup Exec 2010 STS Symantec Messaging Gateway 9.5 STS Symantec System Recovery 2011 SSE Symantec Backup Exec 2012 SSE Symantec Enterprise Vault 10 (March 2012) SSE+ Symantec Backup Exec 2012 SSE+ Symantec Enterprise Vault 10 (April 2012) STS Symantec Backup Exec 2012 SSE+ Symantec Endpoint Protection 12.1 (September 2012) SSE Symantec Endpoint Protection 12.1 (September 2012) SSE+ Symantec Enterprise Vault.cloud (March 2013) SSE Symantec Enterprise Vault.cloud (March 2013) SSE Symantec Enterprise Vault 11 SSE+ Symantec Backup Exec 2014 SSE+ Symantec Enterprise Vault 11 SSE Symantec Backup Exec 2014 STS Symantec Enterprise Vault 11.x