Event ID - 21138

Event Id21138
SourceDNS Intrusion Detection Filter
DescriptionThe 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

SOLUTION :
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 LinksEvent ID: 21138 Of Source ID:DNS Intrusion Detection Filter

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