This topic describes the minimum requirements for an Office Communications Server 2007 R2 Mediation Server.

Office Communications Server 2007 R2 requires 64-bit hardware. The 32-bit hardware used for prior versions of this product cannot be reused for Office Communications Server 2007 R2.

Hardware requirements vary according to server role, topology (Standard Edition, Enterprise Edition in a consolidated configuration, or Enterprise Edition in an expanded configuration), and storage requirements, and are determined by the specific deployment scenario.

The following table describes the minimum hardware requirements for a Mediation Server.

Table 1. Mediation Server

Hardware component Minimum requirement


  • Dual processor, quad-core 2.0 GHz+

  • 4-way processor, dual-core 2.0 GHz+


8 GB


Local storage with at least 30 GB free disk space


2-port 1 Gbps network adapter