Microsoft KB Archive/187779

= XFOR: Dirsync Error: Warning [30] Message Contains Duplicate Email Address =

Article ID: 187779

Article Last Modified on 10/28/2006

-

APPLIES TO


 * Microsoft Exchange Server 4.0 Standard Edition
 * Microsoft Exchange Server 5.0 Standard Edition
 * Microsoft Exchange Server 5.5 Standard Edition

-



This article was previously published under Q187779



SYMPTOMS
After a new Exchange Server computer has been added to an Exchange Server site, that is a requestor in directory synchronization (dirsync) with a Microsoft Mail 3.x postoffice (PO), the following warnings may appear in the Dirsync log:    Warning [154]Non delivery report Warning [30] 154 Message contains duplicate email address. Mail item was not delivered to(requestor name) Address lists updates will not be propagated to the Exchange Server site, and no errors or warnings will show up in the Event Log for the Exchange requestor.



CAUSE
The new Exchange Server computer has been given the Microsoft Mail address "SHADOWNET\SHADOWPO\SYSTEM1" under the Directory Synchronization tab as the Requestor server. Consequently, the errors occur and dirsync stops functioning.

Usually, when a new server is added to the site, directory replication checks for other MS Mail connectors and if it finds any, it automatically increments the MS Mail address in sequential order. For example, if a fourth Exchange Server computer is added to a site with an MS Mail connector, as a dirsync requestor, it will look for the connector during directory replication, and then assign it the address SHADOWNET\SHADOWPO\SYSTEM4.



WORKAROUND
On the Directory Synchronization Properties page, highlight the new server and edit the Microsoft Mail e-mail address.



MORE INFORMATION
For additional information on how the Exchange Server Directory Synchronization address can be changed, please see the following Microsoft Knowledge Base article:

150828 XFOR: Dirsync Role/Number of Servers can Change DXA Addresses

Additional query words: dirsync new address error 30 thirty

Keywords: kbprb KB187779

-

[mailto:TECHNET@MICROSOFT.COM Send feedback to Microsoft]

© Microsoft Corporation. All rights reserved.