Microsoft Office Communications Server 2007 R2 Enterprise Edition requires a database server running SQL Server 2005 with SP2 or SQL 2008. Additionally, Office Communications Server 2007 R2 requires a SQL Server host for Archiving and Monitoring. For details on these tasks, see Configure SQL Server for Office Communications Serverin the Deployment documentation.

For details about using Office Communications Server 2007 R2 Enterprise Edition, see the Deploying Office Communications Server 2007 R2 Enterprise Editiondocumentation.

When you deploy Office Communications Server 2007 R2 Standard Edition, you install SQL Server Express by default. For details about Standard Edition, see the Deploying Office Communications Server 2007 R2 Standard Editiondocumentation.

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