A new demo has been added in the Exchange Server 2003 demo portion.The detail of this demo is

Title: How to Install Exchange Server 2003 on Windows Server 2003

Objective: The objective of this demo is to teach you how to install Exchange Server 2003 on Windows Server 2003. After planning and preparing your Exchange organization, you are ready to run Exchange 2003 Setup.

If you are a subscriber, then click the Demos link in the navigation menu to view the complete list of demos.