| Event Id | 527 |
| Source | SMTPSVC |
| Description | A previous instance of the service has been detected. The service will not start until the previous instance is fully removed. Retry starting the service at a later time. The error code is in the data portion of this event. Error description: %1. |
| Event Information | Restart the computer. If this event reappears, consult the Knowledge Base for relevant articles. |
| Reference Links |
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