| Event Id | 9166 |
| Source | CDOEXM |
| Description | "Failed to log on to the MAPI session on server <server name>. Error: <error message>" |
| Event Information | According to Microsoft: Explanation : You might not have the permissions required for this operation. User Action : Verify that you have the permissions required to manage the Microsoft Exchange Information Store service. |
| Reference Links | Event id 9166 from Source CDOEXM |
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