TROUBLESHOOTING: ma-extension-error: Event ID 6500 - is not valid for Alias (en-us)http://social.technet.microsoft.com/wiki/contents/articles/11427.troubleshooting-ma-extension-error-event-id-6500-is-not-valid-for-alias-en-us.aspxTROUBLESHOOTING: ma-extension-error troubleshooter: http://social.technet.microsoft.com/wiki/contents/articles/5320.troubleshooting-how-to-troubleshoot-the-export-error-ma-extension-error.aspxTimothy P Macaulay Security Identity Support Team at Microsoft timmac@microsoft.com