@Kamlesh1905 I don't get exactly the same error, but curl on Windows may not be encoding the % correctly, giving unexpected results. Try explicitly encoding the % within the command-line: curl ... -d search="search index=perfmon_idx host=* `M_Performance(Perfmon:CPU Load,%25 Processor Time)` instance=_Total | timechart avg(Value) by host | eval warning_threshold = 70 | eval critical_threshold = 90" -d output_mode=json -d earliest_time="-60m@m" -d latest_time="-0m@m" -o C:\CPULog.txt
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