Microsoft KB Archive/923783

= Error message when you use the Reconnect method that is part of WMI in Exchange Server 2003 to reconnect mailboxes that have the same LegacyExchangeDN attribute: &quot;Unable to reconnect mailbox due to error 0xC105010F&quot; =

Article ID: 923783

Article Last Modified on 10/25/2007

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APPLIES TO


 * Microsoft Exchange Server 2003 Enterprise Edition
 * Microsoft Exchange Server 2003 Standard Edition

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SYMPTOMS
You use the Reconnect method that is part of Windows Management Instrumentation (WMI) in Microsoft Exchange Server 2003 to reconnect mailboxes that have been disconnected. If these disconnected mailboxes have the same LegacyExchangeDN attribute, the attempts to reconnect fail. Additionally, you may receive the following error message:

Unable to reconnect mailbox due to error 0xC105010F.



WORKAROUND
To work around this problem, use the Exchange System Manager console to manually reconnect these disconnected mailboxes. To do this, follow these steps:
 * 1) In the Exchange System Manager console, locate one of the disconnected mailboxes.
 * 2) Right-click the disconnected mailbox, and then click Reconnect.
 * 3) Type a user name in the Select a new user for this mail dialog box, and then click OK two times.
 * 4) Repeat steps 2 through 3 for the rest of the disconnected mailboxes.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.



MORE INFORMATION
For more information about the Reconnect method that is part of WMI, visit the following Web site:

http://msdn2.microsoft.com/en-us/library/aa143855.aspx

To check whether more than one mailbox has the same LegacyExchangeDN attribute, follow these steps:
 * 1) Open the Exchange System Manager console.
 * 2) Expand , expand Administrative Groups, and then expand.
 * 3) Expand Servers, expand , expand  , expand  , and then expand the Mailboxes that the disconnected mailbox belongs to.
 * 4) Locate the disconnected mailbox.
 * 5) Make sure that the Full Mailbox Directory Name attribute of each disconnected mailbox is unique.

Note If the Full Mailbox Directory Name attribute does not appear, you may right-click Mailboxes to add the Full Mailbox Directory Name attribute. By default, the Full Mailbox Directory Name attribute does not appear.

Additional query words: CM 60890 wmi

Keywords: kbqfe kbexchstore kbinfo KB923783

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