| Event Id | 43 |
| Source | Microsoft-Windows-HttpEvent |
| Description | Attempt (on connection ID %1) to authenticate client failed. Authentication type %2. Security status: %3. |
| Event Information | According to Microsoft : Cause This event is logged when HTTP service attempt to authenticate client failed. Resolution This is a normal condition.No further action is required. |
| Reference Links | Event ID 43 from Source Microsoft-Windows-HttpEvent |
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