| Event Id | 220 |
| Source | MSExchangeDX |
| Description | Multiple dirsync messages to and from <Remote Dirsync Requestor Name> have been lost or delayed. |
| Event Information | According to Microsoft: CAUSE: The above errors can occur when there are corrupted messages located on the DXA queue in the Message Transfer Agent (MTA). RESOLUTION: To remove corrupted DXA messages from the Exchange MTA, follow the steps outlined in the Microsoft Knowledge Base article, 164506 (http://support.microsoft.com/kb/164506/EN-US/), "XFOR: How to Remove a Corrupted DXA Message from Exchange MTA." |
| Reference Links | XFOR: Microsoft Exchange DX Returns Event ID 220 or 221 |
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