Office Communications Server 2007 R2 also depends on SQL Server databases for storing user information, conference state, archiving data, as well as the call data recording (CDR) and QoE data of Monitoring Server. You can maximize the availability of Office Communications Server data on Office Communications Server 2007 R2 Back-End Databases by partitioning the application data in a way that improves fault tolerance and simplifies troubleshooting. To achieve these goals, partition the application data by:

For details about planning for databases, server partitioning, and clustering, as well as other storage components, including best practices for setting up each of these, see Storage Requirements.