Wireless and wired clients running Microsoft® Windows Vista™ support enhancements that can be configured through Group Policy settings and are supported by domain controllers running Windows Server® Code Name "Longhorn" (now in beta testing).
To support these enhancements for an Active Directory® directory service environment consisting of domain controllers running Windows Server 2003 or Windows Server 2003 R2, the Active Directory schema must be extended. This article describes how to extend the Active Directory schema to support these new features for Windows Vista wireless and wired clients.
Source : www.microsoft.com/technet
