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Mailboxes Not Accessible After Upgrade to Exchange 2000

Article ID: 288840 - View products that this article applies to.

This article was previously published under Q288840

SYMPTOMS

If you upgrade from Exchange Server 5.5 to Exchange 2000 Server, the Mailbox table may not be upgraded correctly, which may result in "orphaned" mailboxes. Users cannot log into such mailboxes. Also, mailbox cleanup may not work.

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CAUSE

This problem can occur if the Admin given name property is not set during the upgrade to Exchange 2000. Although this property is not required during the upgrade and can be set to NULL to gain access to the mailbox, the logon process in Exchange 2000 errors out if this property is not availble.

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RESOLUTION

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

301378

(http://support.microsoft.com/kb/301378/EN-US/ )

XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack

The English version of this fix should have the following file attributes or later:

Component: Messaging Database (MDB)

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File name	Version
Store.exe	6.0.4418.63

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STATUS

Microsoft has confirmed that this is a problem in Microsoft Exchange 2000 Server. This problem was first corrected in Microsoft Exchange 2000 Server Service Pack 1.
To resolve this problem, obtain the latest service pack for Microsoft Exchange 2000 Server. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

291222

(http://support.microsoft.com/kb/291222/EN-US/ )

XGEN: Rollup of Selected Exchange 2000 Server Post-Release Fixes

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