Microsoft KB Archive/246741

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XADM: Administrator Export Doesn't Extract Windows NT Accounts in Multiple NT Domains

Article ID: 246741

Article Last Modified on 10/26/2006


  • Microsoft Exchange Server 5.5 Standard Edition

This article was previously published under Q246741


When you export directory objects through the Exchange Server Administrator program by clicking Directory Export on the Tools menu, you may receive the following information in the .csv file:

?\UNKNOWN Primary Windows NT Accounts

However, the Administrator program displays the Microsoft Windows NT user account when you view the mailbox properties.


This behavior may occur when the Exchange Server service account, the Administrator account, and the Windows NT user accounts associated to the mailboxes are in different Windows NT domains that are not two-way trusted domains, as in the following scenario:

Domain1 contains the Exchange Server and service account
Domain2 contains the Exchange Administrator account
Domain3 contains the User accounts

Domain1 trusts Domain2 and Domain3
Domain3 trusts Domain2
Domain2 trusts no domain


To resolve this problem, obtain the latest service pack for Exchange Server 5.5. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack


Microsoft has confirmed that this is a problem in Microsoft Exchange Server 5.5. This problem was first corrected in Exchange Server 5.5 Service Pack 4.

Keywords: kbbug kbexchange550presp4fix kbexchange550sp4fix kbfix kbqfe KB246741