The Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) EAP type from Cisco Systems, Inc. has been certified for compatibility with Windows Vista with Service Pack 1 and Windows Server 2008 and is now available from Windows Update.
EAP-FAST is needed for computers running Windows Vista with Service Pack 1 or Windows Server 2008 to participate in the Microsoft NAP and Cisco Network Admission Control (NAC) Framework interoperability solution, also known as NAP-NAC. For more information about NAP-NAC, click here.
The EAP product team has posted instructions on how to install the EAP-FAST method. See http://blogs.msdn.com/eapteam/archive/2008/10/17/how-do-i-install-cisco-eap-fast-on-my-computer.aspx.