Office Communications Server 2007 R2 Documentationhttp://blogs.technet.com/jkruse/archive/2009/06/09/office-communications-server-2007-r2-documentation.aspxThe full documentation pack for OCS R2 is now available for download. The full set of Office Communications Server 2007 R2 documentation is contained in the download file named Communications_Server_2007_R2_Documentation.chm .  Selected, high-valueen-USCommunityServer 2.1 SP1 (Build: 61025.2)