Office Communications Server 2007 R2 can be deployed onto Windows Server 2008 Hyper-V, or onto any virtualization solution that is a certified partner through the Server Virtualization Validation Program (SVVP) certified partners for the following workloads:
- IM (including conferencing, remote access, federation, and Public IM Connectivity)
- Group Chat
- Identifies which server roles are supported in a virtualized environment
- Provides guidance for scaling users and workloads in a virtualized environment
This document describes the results of a series of configurations that were run in a Hyper-V environment to validate that Office Communications Server on Hyper-V provides stable performance and scalability for production use.
get it here