To use the custom ePO - On-prem counters with the Windows Performance Monitor, you must use the 32-bit version of the tool.
To find the 32-bit version of the Windows Performance Monitor, use Windows Explorer and navigate to C:\Windows\SysWOW64, then find and double-click perfmon.exe.
To confirm that you opened the 32-bit version of Performance Monitor, click Monitoring Tools → Performance Monitor, Add Counters, then click the + sign to open the Add Counters dialog box.
To find the ePO - On-prem server counters, scroll down the list of counters, find ePolicy Orchestrator Server, and expand the list.
Now you can start using the counters to test and create benchmarks for your ePO - On-prem server performance.
Application Control and Change Control > Application and Change Control 8.x > Trellix Application and Change Control 8.3.x - Windows Product Guide > Using the software > Optimizing your software
Application Control and Change Control > Application and Change Control 8.x > Trellix Application and Change Control 8.4.x - Windows Product Guide > Using the software > Optimizing your software