http://blogs.technet.com/b/wsnetdoc/archive/2010/01/19/peap-identity-privacy-support-in-windows-7-and-windows-server-2008-r2.aspxWhen responding to Extensible Authentication Protocol (EAP) identity requests, some EAP methods automatically provide identity privacy by sending an obfuscated identity string that is different from the actual user account identity. Protected EAP en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)