How to migrate (not upgrade) from Windows Server 2003 Server Clustering to Windows Server 2008 Failover Clusteringhttp://msmvps.com/blogs/clustering/archive/2007/11/30/how-to-migrate-not-upgrade-from-windows-server-2003-server-clustering-to-windows-server-2008-failover-clustering.aspxThe 2008 articles are just starting to hit the web. This one deals with migration, not upgrading. You can't upgrade to 2008 Failover Clustering. I am actually glad you can't upgrade, I really don't like that word. Here is the article: httpenCommunityServer 2008.5 SP2 (Build: 40407.4157)