KB946417 - When you restart Root Management Server, the Health Service does not start in System Center Operations Manager 2007http://blogs.technet.com/cliveeastwood/archive/2008/01/12/kb946417-when-you-restart-root-management-server-the-health-service-does-not-start-in-system-center-operations-manager-2007.aspxNewly released KB - http://support.microsoft.com/?id=946417en-USCommunityServer 2.1 SP1 (Build: 61025.2)