A new demo has been added in the Microsoft Windows Server 2003 demo portion.The detail of this demo is
Title: How to Add a UPN Suffix in Windows Server 2003
Objective: The objective of this demo is to teach you how to add a UPN suffix in Windows Server 2003. In Active Directory, each user account has a UPN based on IETF RFC 822, Standard for the Format of ARPA Internet Text Messages. The UPN is composed of the user logon name and the UPN suffix joined by the @ sign.
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