| Event Id | 21138 |
| Source | Microsoft Firewall |
| Description | The connectivity verifier "%1" reported a slow connection to %2. The specified connectivity response threshold was %3 msec, and the monitored response time was %4 msec. |
| Event Information | According to Microsoft Cause: The connection to the server succeeded, but the time used to verify the connection took longer than the response connectivity threshold specified for this connectivity verifier. Resolution: Verify that there are no networking problems, and that the specified destination server is not too busy to handle the connectivity request. If this error is persistent, consider raising the connectivity verifier threshold. |
| Reference Links | Event Id:21138 Source Id:Microsoft Firewall |
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