Article ID: 243629 - View products that this article applies to.
This article was previously published under Q243629
This article describes how to add UPN suffixes to a forest. Adding these suffixes gives you the ability to use a friendly user-logon name that does not match the domain's or parent domains' naming structure.
For additional information about UPNs and user logon names, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/243280/EN-US/ )Users Can Log in Using User Name or User Principal Name