Backup Exec 12.5 for Windows Servers revision 2213 Hotfix 319237 - 64 bit download.
This hotfix contains a critical fix for the Backup Exec for Windows Servers 12.5 Agent for SQL.
Before installing this hotfix, Service Pack 1 must be installed. Service Pack 1 can be obtained here: http://www.symantec.com/docs/TECH66638
For more information on how to install this hotfix, and what fixes are in this hotfix, please refer to this document: http://www.symantec.com/docs/TECH67663