The following software is not supported on this version of Windows: Exchange 5.5 Exchange 2000 (SP1 and below) Site Server 3.0 (SP4 and below) System Management Server 2.0 (SP2 and below) Proxy Server For more information about this software, see the Microsoft BackOffice Server page at http://www.microsoft.com/backofficeserver. Web addresses can change, so you might be unable to connect to this Web site. For a list of devices and applications supported by this version of Windows, see the list of compatible hardware and software on the Microsoft Web site at http://www.microsoft.com/isapi/redir.dll?prd=whistler&ar=help&sba=compatible.