| Event Id | 1259 |
| Source | Active Directory |
| Description | The Security Descriptor Propagator has started. |
| Event Information | This is an Active Directory internal event. Internal events appear in the Event Viewer only when the default logging level is changed. Most internal events are for informational purposes only. This event is logged when the security descriptor propagation task starts. No user action is required. |
| Reference Links | Monitoring AD Changes: Article |
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