Conclusion
Because Windows Vista is the primary client for Longhorn Server, several new features in Windows Vista are designed to work only with Longhorn Server. The bootstrap wireless profile in Windows Vista can be used by users to join an Active Directory domain.
Microsoft has changed the default authentication method for 802.1X-authenticated wireless connections from EAP-TLS in Windows Server 2003 to PEAP-MS-CHAP v2 in Windows Longhorn Server and Windows Vista. Both of these authentication methods involve certificates, so you need to know the pros and cons of using a commercial certificate versus your own PKI infrastructure and how it can affect wireless network clients.