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Microsoft KB Archive/253887

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Knowledge Base


XADM: Active Directory Connector Does Not Match to SID History After a User Has Been Cloned

Article ID: 253887

Article Last Modified on 10/27/2006



APPLIES TO

  • Microsoft Exchange Server 5.5 Standard Edition



This article was previously published under Q253887


SYMPTOMS

When you clone the user object associated with a Microsoft Exchange Server 5.5 mailbox into a domain, the user object is not upgraded. A duplicate object is created in Active Directory instead of matching the user object to the associated Microsoft Windows NT account.

This may happen when you set up a mirrored domain with Microsoft Windows 2000 and then clone a user to copy the old Windows NT 4.0 accounts into your new Windows 2000 forest.

CAUSE

In Exchange Server 5.5, mailboxes are linked to their Windows NT accounts by means of the Security Identifier (SID). When reading the sidHistory from a global catalogue, the ADC doesn't convert it to hexadecimal format so that it can be compared with the associated Windows NT account.

RESOLUTION

To resolve this problem, obtain the latest service pack for Windows 2000. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

260910 How to Obtain the Latest Windows 2000 Service Pack


STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Windows 2000 Service Pack 1.Microsoft has confirmed that this is a problem in Microsoft Exchange Server version 5.5.


Additional query words: xmrp

Keywords: kbbug kbfix kbwin2000sp1fix KB253887