XADM: Error Message When You Move Multiple Mailboxes Concurrently by Using CDOEXM

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Article ID: 296824 - View products that this article applies to.
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When you call the MoveMailbox function programmatically by using CDO for Exchange Management (CDOEXM) to move multiple mailboxes concurrently across two Exchange 2000 servers or within same storage group, the following error message may be generated:
Error: An unexpected, unknown error has occurred.
MAPI or an unspecified service provider.
ID no: 8004010f-0000-00000000
ID no: c1050000
Microsoft CDO for Exchange Management


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 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: CDO

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File nameVersion


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.


Article ID: 296824 - Last Review: October 23, 2013 - Revision: 1.4
  • Microsoft Exchange 2000 Server Standard Edition
kbnosurvey kbarchive kbbug kberrmsg kbexchange2000presp1fix kbfix kbqfe KB296824

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