http://blogs.technet.com/mcstalks/archive/2008/09/22/session-4-security-and-pki-follow-up-information.aspxFollowing the very interesting MCS Talks session on Security and PKI we have a few links to resources we think will be useful: Windows Server System Reference Architecture (WSSRA) http://www.microsoft.com/downloads/details.aspx?FamilyId=D44E34EC-B4E2-49A1-9F40-9ED4BA3765DF&displaylang=enen-USCommunityServer 2.1 SP1 (Build: 61025.2)