http://msmvps.com/blogs/bradley/archive/2008/10/26/reboot-and-be-protected.aspxhttp://msmvps.com/blogs/bradley/archive/2008/10/25/norestart-does-not-mean-you-are-patched.aspx As a follow up to why you need to restart your boxes after this patch, load up process explorer and search on how netapi32.dll is used in a running systemenCommunityServer 2008.5 SP2 (Build: 40407.4157)