This version of Remote Desktop Connection (Terminal Services Client 6.0) can be installed on client computers running Windows Server 2003 x64 Edition Service Pack 2 (SP2) and earlier. It can be used to connect to terminal servers or remote desktops running earlier versions of Windows, but the new features are available only when the remote computer is running Windows Vista or Windows Server Code Name Longhorn.

Remote Desktop Connection (Terminal Services Client 6.0) for Windows Server 2003 x64 Edition (KB925876)