enable Task Manager's Disk Counter

By default Disk metrics in Task Manager are not monitored on Server 2012 due to performance implications. Monitoring Disk Metrics is a useful when troubleshooting issues.
Task Manager (Default Settings)

To enable Task Manager's Disk Counter:
Open PowerShell and use the following cmd DiskPerf
To enable DiskPerf you will need to use the Switch DiskPerf -Y (Yes)


To disable DiskPerf, Use DiskPerf -N (No)





