Microsoft KB Archive/175588

= XFOR: Microsoft Exchange DX Returns Event ID 220 or 221 =

Article ID: 175588

Article Last Modified on 10/28/2006

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APPLIES TO


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

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This article was previously published under Q175588



SYMPTOMS
When starting the Microsoft Exchange Directory Synchronization Service (DXA), you may receive the following events in the Exchange Server Application Log:

  Event ID: 220 Source: MSExchangeDX Description: Multiple dirsync messages to and from  have been lost or delayed.

Event ID: 221 Source: MSExchangeDX Description: An Import Reply (full export) will be done to  on the next reply.



CAUSE
The above errors can occur when there are corrupted messages located on the DXA queue in the Message Transfer Agent (MTA).



WORKAROUND
To remove corrupted DXA messages from the Exchange MTA, follow the steps outlined in the Microsoft Knowledge Base article, 164506, "XFOR: How to Remove a Corrupted DXA Message from Exchange MTA."

Keywords: kbprb KB175588

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