http://blogs.technet.com/jenstr/archive/2009/06/02/ocs-2007-r2-documentation.aspxWe have made the documentation to OCS 2007 R2 available both as a Compiled Help Module (CHM) file and as individual documents - http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=e9f86f96-aa09-4dca-9088-f64b4f01c703en-USCommunityServer 2.1 SP1 (Build: 61025.2)