Microsoft KB Archive/174482

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Performance Monitor Chart View Limited to 100 Data Points

Article ID: 174482

Article Last Modified on 11/1/2006


  • Microsoft Windows 2000 Server
  • Microsoft Windows 2000 Professional Edition
  • Microsoft Windows NT Workstation 4.0 Developer Edition
  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q174482


When you view Performance Monitor log files in Chart Mode, the Time Window can be changed. As the Time Window is adjusted, the user may notice different highs and lows (peaks and valleys) for counters graphed on the chart. Also, notice that values for Last, Average, Min, Max, and Graph Time will also adjust as the Time Window is changed by the user.


The Windows NT Workstation version 4.0 Resource Kit documents this behavior as normal for Performance Monitor in Chapter 10, page 327. Performance Monitor only takes 100 data points out of a log file and presents them in Chart View. To see more than 100 data points from a log file, you can export the data and create a chart using another application such as Microsoft Excel.

Additional query words: perfmon

Keywords: kbprb KB174482