Do not use idle process priority

TypeName

DoNotUseIdleProcessPriority

CheckId

CA1600

Category

Microsoft.Mobility

Breaking Change

Breaking

Cause

This rule fires when processes set to ProcessPriorityClass.Idle.

Rule Description

Do not set process priority to Idle. Processes with System.Diagnostics.ProcessPriorityClass.Idle will occupy the CPU when it would otherwise be idle, and thereby block standby.

How to Fix Violations

Set processes to ProcessPriorityClass.BelowNormal.

When to Suppress Warnings

This rules should be suppressd only when Idle process priority is required and mobility considerations can safely be ignored.