Windows 10: Performance Report lost events Solved

  1.    24 May 2018 #1

    Performance Report lost events


    Following Cumulative Update KB4100403 Windows 10 v1803 Build 17134.81, I noticed that every time I run "perfmon /report", to get a Performance report, I get the following error:

    Investigate why pp% (x,xxx) events were lost during data collection. The settings for Event Tracing for Windows (ETW) maximum buffers and buffer size may not be optimal depending on which data sets are being collected.

    This percentage (and the number of events) keeps going up on every run.

    Tracing the error, I found that in the dependencies of the “Windows Event Log” Service there is a dependency on “Microsoft App-V Client”.


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    The “Microsoft App-V Client”, as correctly stated in the Restore Default Services in Windows 10 tutorial is set by default to “Disabled”.

    If you change the Startup type of the “Microsoft App-V Client” from the default “Disable” to “Manual” (and reboot), the above error in the Performance Monitor reports disappears.


    Hope to help someone!
      My ComputerSystem Spec


  2. Posts : 123
    Windows 10 Home, 64-bit, Version 1809 (OS Build: 17763.55)
       25 May 2018 #2

    ddelo said: View Post
    This percentage (and the number of events) keeps going up on every run.
    That's odd, mine seems to vary. . . up and down ?

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    Maybe I should take a look. . . ?

    ddelo said:
    The “Microsoft App-V Client”, as correctly stated in the Restore Default Services in Windows 10 tutorial is set by default to “Disabled”.

    Thanks, ddelo. . . .
      My ComputerSystem Spec

  3.    25 May 2018 #3

    KCR said: View Post
    Thanks, ddelo. . . .
    You're most welcome
      My ComputerSystem Spec


 

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