Showing Disk Performance information on Task Manager

Multiple Monitor Image

Since Windows Server 2012R2, the disk performance information on task manager was disabled because of performance impact on collecting disk metrics on the server.

Task Manager Performance
Task Manager

You can use Resource Monitor to check Disk IO Usage. However, you can enable the Disk Performance monitor on the Task Manager.

Enable Disk Performance Monitor

Below is the step to enable disk performance monitor:

  1. Ensure the Task Manager is closed
  2. Open the Command Prompt with Elevated permission
  3. run the following command: diskperf -Y
  4. Re-Open the task manager.
DiskPerf -Y
diskperf -y

Disable Disk Performance Monitor

You can simply change the parameter from -y to -n as below:

diskperf -N

Diskperf -N
diskperf -n

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