The following scenarios must be followed if you plan to cluster Backup Exec:
Symantec highly recommends that you use the default database instance (MSDE) that Backup Exec installs if you plan to cluster Backup Exec.
Symantec also supports using a remote SQL Server instance to host the Backup Exec database. However, if you plan to use this scenario, review the following:
Only one installed instance of Backup Exec can be installed into the remote SQL Server instance on a clustered node. All other installed instances of Backup Exec in the cluster must use the default Backup Exec MSDE database instance.
If you use Windows Server 2008 or later and you use a remote, clustered SQL Server instance to host the Backup Exec Database:
If you use Windows Server 2008 or later and you use the Backup Exec Utility to reconfigure the clustered Backup Exec installation or the clustered remote SQL Server instance: