The following contains important information about upgrading to Microsoft Windows 2000 Server from Microsoft BackOffice Small Business Server and Microsoft BackOffice Server.

Small Business Server

A direct upgrade of Small Business Server 4.0 and Small Business Server 4.5 to Windows 2000 Server is not supported. For the latest information about upgrading Small Business Server to Windows 2000 Server, visit online product support at the Microsoft Web site.

For information about international versions of Small Business Server, contact your local Microsoft representative.

BackOffice Server

For the latest information about upgrading BackOffice Server to Windows 2000 Server, visit online product support at the Microsoft Web site.

For information about international versions of BackOffice Server, contact your local Microsoft representative.

Upgrading from BackOffice Server 2.5

A direct upgrade of BackOffice Server 2.5 to Windows 2000 Server is not supported. To upgrade server applications to versions supported by Windows 2000 Server, you should first upgrade to BackOffice Server 4.5 and then upgrade to Windows 2000 Server.

Upgrading from BackOffice Server 4.0

A direct upgrade of BackOffice Server 4.0 to Windows 2000 Server is not supported. To upgrade server applications to versions supported by Windows 2000 Server, you should first upgrade to BackOffice Server 4.5, and then upgrade to Windows 2000 Server.

If you have used BackOffice Server 4.0 Setup to install a server application, you may choose to uninstall BackOffice Server 4.0. This will remove all files specific to BackOffice Server 4.0, but not the server applications that you installed. After uninstalling BackOffice Server 4.0, restart Windows 2000 Server Setup to upgrade the operating system.

Upgrading from BackOffice Server 4.5

If you are upgrading from BackOffice Server 4.5 to Windows 2000 Server, you need to be aware of the following issues:

• The version of Microsoft Site Server that shipped with BackOffice Server 4.5, and some components that depend upon Site Server (for example, the Intranet Starter Site), cannot be installed on Windows 2000 Server.
• The BackOffice Server 4.5 Web Administration feature is not supported.
• If you originally installed Small Business Server 4.0 or Small Business Server 4.5 and then upgraded to BackOffice Server 4.5, Fax Service is no longer supported.

Product Information

For information on Microsoft BackOffice Small Business Server, visit the Microsoft Web Site.

For information on Microsoft BackOffice Server, visit the Microsoft Web site.