| Event Id | 6004 |
| Source | MSExchangeActiveSyncNotify |
| Description | The categorizer is unable to categorize messages due to a retryable error.<error message> |
| Event Information | According to Microsoft: Cause: This indicates that the categorizer encountered an error when trying to process the message. User Action : Ensure that the latest service pack for Exchange Server is installed. If message archiving or journaling is enabled, ensure that the configured mailbox is a valid mailbox. Ensure that no permissions on the mailbox store have been modified. |
| Reference Links | The categorizer is unable to categorize messages due to a retryable error. |
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