List of storage related hotfixes post Service Pack 1 for Windows Server 2008 (R1) SP1.
http://blogs.technet.com/b/yongrhee/archive/2012/03/05/list-of-storage-related-hotfixes-post-service-pack-1-for-windows-server-2008-r1-sp1.aspx

List of Network related hotfixes post Service Pack 1 for Windows Server 2008 (R1) SP1
http://blogs.technet.com/b/yongrhee/archive/2012/03/10/list-of-network-related-hotfixes-post-sp1-for-windows-server-2008-r1-sp1.aspx

List of NLB related hotfixes post Service Pack 1 for Windows Server 2008
http://blogs.technet.com/b/yongrhee/archive/2009/10/11/list-of-nlb-related-hotfixes-post-service-pack-1-for-windows-server-2008.aspx

List of Failover Cluster related hotfixes post Service Pack 1 for Windows Server 2008 SP1
http://blogs.technet.com/b/yongrhee/archive/2012/03/10/list-of-failover-cluster-related-hotfixes-post-service-pack-1-for-windows-server-2008-sp1.aspx

List of DFS related hotfixes post Service Pack 1 for Windows Server 2008 SP1.
http://blogs.technet.com/b/yongrhee/archive/2012/03/10/list-of-dfs-related-hotfixes-post-service-pack-1-for-windows-server-2008-sp1.aspx

List of Performance Monitor related hotfixes post Service Pack 1 for Windows Server 2008 SP1.
http://blogs.technet.com/b/yongrhee/archive/2012/03/10/list-of-performance-monitor-related-hotfixes-post-service-pack-1-for-windows-server-2008-sp1.aspx

List of print related hotfixes post Service Pack 1 for Windows Server 2008.
http://blogs.technet.com/b/yongrhee/archive/2009/09/05/list-of-hotfixes-post-service-pack-1-print-related-hotfixes-for-windows-server-2008.aspx

List of Remote Desktop (Terminal Services) related hotfixes post Service Pack 1 (SP1) for Windows Server 2008
http://blogs.technet.com/b/yongrhee/archive/2010/03/16/list-of-remote-desktop-terminal-services-related-hotfixes-post-service-pack-1-sp1-for-windows-server-2008.aspx

List of WMI related hotfixes post Service Pack 1 for Windows Server 2008
http://blogs.technet.com/b/yongrhee/archive/2009/10/11/list-of-wmi-related-hotfixes-post-service-pack-1-for-windows-server-2008.aspx

List of Memory leaks and Performance related hotfixes post Service Pack 1 for Windows Server 2008 SP1.
http://blogs.technet.com/b/yongrhee/archive/2012/03/10/list-of-memory-leaks-and-performance-related-hotfixes-post-service-pack-1-for-windows-server-2008-sp1.aspx