The name of the server that runs Microsoft SQL Server. You can install the Configuration Management Database to a specific SQL Server instance by entering the server name and SQL instance. Example: SQL server name\SQL instance. For the logon, you can use Windows authentication or SQL server authentication.
The Use existing option lets you reinstall the Symantec Management Platform products on a different computer and access the existing database. When migrating from Symantec Management Platform 7.0, it also lets you access a restored 7.0 database. If you used SQL credentials, the Refresh option lets you view an exiting database.