| Event Id | 2006 |
| Source | MSExchangeIS |
| Description | The generation of a delivery report or a non-delivery report has failed due to error <error code>. |
| Event Information | A delivery receipt or a non-delivery report failed to be generated. In its place an event message is logged. Verify that the required services are in the started state. View the entries in the event log for details of the cause of the problem. Verify that the recipient of the delivery or non-delivery report exists. |
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