http://blogs.technet.com/cliveeastwood/archive/2007/05/16/kb937292-error-message-when-you-run-the-operations-manager-prerequisite-viewer-for-the-server-component-quot-microsoft-interop-security-azroles-dll-is-not-registered-in-the-global-assembly-cache-quot.aspxKB937292 has now been published http://support.microsoft.com/?kbid=937292 SYMPTOMS When you run the Microsoft System Center Operations Manager 2007 Prerequisite Viewer for the Server component, the prerequisite check returns the following failure status:en-USCommunityServer 2.1 SP1 (Build: 61025.2)