The following software is not supported on this version of Microsoft Windows:

• Exchange 5.5
• Exchange 2000
• 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 www.microsoft.com/backofficeserver. Web addresses can change, so you might be unable to connect to this Web site.

For a list of software supported by this version of Windows, see the list of compatible software on the Microsoft Web site.