Event ID - 21138

Event Id21138
SourceMicrosoft ISA Server Report Generator
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 InformationAccording 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 LinksEvent Id:21138 Source Id:Microsoft ISA Server Report Generator

Catch threats immediately

We work side-by-side with you to rapidly detect cyberthreats
and thwart attacks before they cause damage.

See what we caught

Did this information help you to resolve the problem?

Yes: My problem was resolved.
No: The information was not helpful / Partially helpful.