http://blogs.technet.com/emeasetup/archive/2009/05/04/what-s-new-in-2008-r2-failover-clustering.aspx  Hi all, I am a support engineer working in Setup\Cluster team at Microsoft and I am going to share some views on failover clustering feature via this blog. There is couple of new features and architectural changes in failover clustering 2008 R2en-USCommunityServer 2.1 SP1 (Build: 61025.2)