The Backup Exec 2012 Service Pack 4 (SP4) is now available for download and adds support for Enterprise Vault 10.0.3 and Enterprise Vault 10.0.4.
How to download the service pack
If you are an existing customer and would like to download the latest Backup Exec service pack, please visit: http://www.symantec.com/business/support/index?page=content&id=TECH212772. From there download the EXE at the bottom of the page.