## Microsoft-Windows-PerfOS

Seen on:
* Windows Vista
* Windows 2008
* Windows 7
* Windows 2012
* Windows 8.0
* Windows 8.1
* Windows 10 (1511, 1607, 1703, 1709, 1803, 1809, 1903, 1909, 2004, 20H2)
* Windows 2016
* Windows 2019
* Windows 11 (21H2)

<table border="1" class="docutils">
  <tbody>
    <tr>
      <td><b>Name:</b></td>
      <td>Microsoft-Windows-PerfOS</td>
    </tr>
    <tr>
      <td><b>Identifier:</b></td>
      <td>{f82fb576-e941-4956-a2c7-a0cf83f6450a}</td>
    </tr>
    <tr>
      <td><b>Log type(s):</b></td>
      <td>Application</td>
    </tr>
    <tr>
      <td><b>Log source(s):</b></td>
      <td>Microsoft-Windows-PerfOS</td>
    </tr>
    <tr>
      <td>&nbsp;</td>
      <td>PerfOs</td>
    </tr>
    <tr>
      <td><b>Event message file(s):</b></td>
      <td>%SystemRoot%\system32\perfos.dll</td>
    </tr>
  </tbody>
</table>

&nbsp;