Microsoft KB Archive/323629

= XADM: Users with the Same Logon Name in Different Organizational Units Can Coexist in an Exchange 2000 Environment =

Article ID: 323629

Article Last Modified on 2/20/2007

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APPLIES TO


 * Microsoft Exchange 2000 Server Standard Edition

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This article was previously published under Q323629



SUMMARY
In a messaging environment that uses Exchange 2000 and Microsoft Windows 2000, you can have users who have the same logon names if the user accounts exist in different organizational units.



MORE INFORMATION
Such an environment requires the following criteria:  The pre-Windows 2000 user logon name must be different for each user. To avoid ambiguity, the fully qualified domain name (FQDN) and user name must be used for logon, for example:

@[ |  ]



If this criteria is not met, the operating system cannot correctly distinguish between multiple users with the same logon name.

An Exchange 2000 e-mail client must also meet the same logon criteria, @[  |  ], to successfully be authenticated by the mail server.

Keywords: kbinfo KB323629

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