Common Infrastructure Components

Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

The common infrastructure components are required for the operation of any Office Communications Server workload, and provide a foundation for conferencing and voice components. The common infrastructure components include RTCSrv, Office Communications Server application interfaces, RTCHost, the back-end database, presence components, Web components, archiving and monitoring components, and Unified Communications Application Services (UCAS) infrastructure.