I just found out there are 2 DuplicateHandle's . I must say, i was supriced the example would only work on NT. But fortunately you corrected me
Client: Included in Windows XP, Windows 2000 Professional.
Server: Included in Windows Server 2003, Windows 2000 Server.
Header: Declared in Ntsecpkg.h.
Client: Included in Windows XP, Windows 2000 Professional, Windows NT Workstation, Windows Me, Windows 98, and Windows 95.