| Event Id | 1152 |
| Source | Active Directory |
| Description | Class identifier %1 (class name %2) is part of a circular inheritance hierarchy. This class references itself either as a superclass or an auxiliary class. Inheritance ignored. |
| Event Information | Internal event: The specified schema class is part of a class hierarchy that results in an inheritance loop. This class references itself as either a superclass or an auxiliary class. Inheritance is ignored. To remove the inheritance loop, review the class references and fix the class hierarchy. |
| Reference Links | Monitoring AD Changes: Article |
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