This Baseline Monitor creates baseline performance data for the Active Server Pages\Requests Not Found performance counter.
The Active Server Pages\Requests Not Found performance counter exposes the number of requests for files that were no found. When this counter deviates from the normal operational baseline, it may indicate an undesirable performance state.
If the measured value for this counter deviates from the normal operational baseline and indicates an undesirable performance state an investigation of the probable cause and source may be required.