Operating System Requirements

As indicated previously, the only supported hypervisors today are Microsoft Windows Server 2008 R2 Hyper-V and VMware vSphere 4. More hypervisor support might become available at a later time as vendors certify a platform with Microsoft. For Microsoft, either the full or core installation of Windows Server 2008 R2 can be used. The standalone, free product Microsoft Hyper-V R2 can also be used to virtualize Lync Servers. On the VMware side, both the ESX and ESXi platforms can be used.