| Event Id | 4456 |
| Source | Microsoft-Windows-Complus |
| Description | Event class failed Query Interface. Check the event log for any other errors from the EventSystem. |
| Event Information | According to Microsoft : Cause This event is logged when Event class failed Query Interface. Resolution This is a normal condition. No further action is required. |
| Reference Links | Event ID 4456 from Source Microsoft-Windows-Complus |
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