XFOR: Microsoft Exchange DX Returns Event ID 220 or 221 (175588)

The information in this article applies to:

Microsoft Exchange Server 4.0
Microsoft Exchange Server 5.0
Microsoft Exchange Server 5.5

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 <Remote Dirsync
   Requestor Name> have been lost or delayed.

   Event ID: 221
   Source: MSExchangeDX
   Description: An Import Reply (full export) will be done to <Remote
   Dirsync Requestor Name> 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."

Modification Type:	Minor	Last Reviewed:	4/28/2005
Keywords:	kbprb KB175588