What's New in Windows Server 2003 SP1
Windows Server 2003 with Service Pack 1 (SP1) introduces the following new programming elements for Terminal Services.
New Interfaces
IMsRdpClientNonScriptable2 inherits from IMsRdpClientNonScriptable and adds a new UIParentWindowHandle property.
IMsRdpClientAdvancedSettings4 inherits from IMsRdpClientAdvancedSettings3 and adds a new AuthenticationLevel property.
IMsRdpClient4 inherits from IMsRdpClient3 and adds a new AdvancedSettings5 property.