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

Title: Running Exchange Server 2003 ForestPrep

Objective: The objective of this demo is to teach you how to run the Forestprep command prior to installing Exchange Server 2003 in Windows Server 2003. Exchange 2003 ForestPrep extends the Active Directory schema to include Exchange-specific classes and attributes. ForestPrep also creates the container object for the Exchange organization in Active Directory. The schema extensions supplied with Exchange 2003 are a superset of those supplied with Exchange 2000.

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