First, pls ensure the BE account has the rights as per - http://www.symantec.com/business/support/index?page=content&id=TECH23689
Secondly, there are events such as the following ~
Date Log Event Type Source Computer Description
12/20/2014 2:20:31 PM Application Error Backup Exec Management xxxxxxxx Backup Exec Management Service startup in EXCEPTION mode.
Date Log Event Type Source Computer Description
12/20/2014 2:20:09 PM Application Error Backup Exec Management xxxxxxxxx "An exception occured starting Backup Exec Management Service:
System.ApplicationException: Failed to connect to the database.
at BackupExec.Management.Components.DataAccess.DataAccessManager.Init(String configFile)
at BackupExec.Management.Components.Common.ComponentBroker.Init()
at BackupExec.Management.Server.ServerCommon.Start()
Try these KBs ~
http://www.symantec.com/business/support/index?page=content&id=TECH188675
http://www.symantec.com/business/support/index?page=content&id=TECH195492
http://www.symantec.com/business/support/index?page=content&id=TECH179970
If these KBs do not help, enable the SQL server agent using this article - http://support.microsoft.com/kb/955763