Office Communications Server 2007 R2: Virtual Labshttp://blogs.technet.com/brettjo/archive/2009/06/04/office-communications-server-2007-r2-virtual-labs.aspxThere are a whole bunch of Virtual Labs available for OCS R2 – they all allow you to save your work so they don’t time bomb..! ;) · Deploying and Configuring Microsoft Office Communications Server 2007 R2 Enterprise Edition · Installing and Configuringen-GBCommunityServer 2.1 SP1 (Build: 61025.2)