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The Backup Exec installation program installs Microsoft SQL Server 2005 Express Edition components that are required to run Backup Exec. These components include SQL Server 2005 core components and Microsoft Data Access Components (MDAC) version 2.8.
If you are running applications that use earlier versions of these components, problems may occur due to the upgraded drivers. If problems occur, contact the vendor of the incompatible software to obtain a version that is compatible with the MDAC.
Backup Exec prompts you to do one of the following:
Install the required SQL Server 2005 Express Edition components with Backup Exec and create a default Backup Exec instance.
Select a Microsoft SQL Server 2000 (with service pack 3a or later) or SQL Server 2005 instance that already exists on the network on which you want to run Backup Exec. If you install Backup Exec on a computer that runs Windows Server 2008, you must select a SQL Server 2005 SP2 instance.
During the installation process and upgrade process, Backup Exec stops and starts the SQL service several times. Other user-created databases that use the SQL Server instance are unavailable during the process. To avoid such conflicts, you should install Backup Exec into its own SQL instance.
If you choose to install Backup Exec into an existing SQL 2000 instance, make sure that SQL 2000 Service Pack 3a or later is installed before you continue with the installation.
When Backup Exec is installed into an existing instance, the automated master database restore feature is not available. To recover the Master database, you must replace it with the Master database copy that Backup Exec automatically creates and updates when the Master database is backed up.
You cannot install multiple Backup Exec databases on the same SQL Server instance.