If your current configuration consists of multiple Arcserve Backup servers in a domain, the best practice is to upgrade to a centralized management environment that consists of a primary server and one or more member servers.
To upgrade to a centralized management environment, you must upgrade one of your existing Arcserve Backup servers to a Arcserve Backup Primary Server and then upgrade all other servers in the domain to Arcserve Backup Member Servers.
Note: The domain primary from your previous installation must assume the role of the Arcserve Backup Primary Server.
To install member servers, the installation wizard must be able to detect the Arcserve Backup domain name and primary server name in your network. You should therefore install Arcserve Backup on at least one primary server before you install member servers.
Note: Microsoft SQL Server 2008 Express Edition does not support remote communication. When you install Arcserve Backup using Microsoft SQL Server 2008 Express Edition, the installation wizard installs the database application and the Arcserve database instance on the primary server. To host the Arcserve database instance on a remote system, you must use Microsoft SQL Server.
The following diagram illustrates the architecture of a centralized management environment:
Note: To enable Arcserve Backup to communicate with a remote database, you must use Microsoft SQL Server to host the Arcserve database.
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