PowerShell Pocket Reference, 3rd Edition

Chapter 7. WMI Reference

The Windows Management Instrumentation (WMI) facilities in Windows offer thousands of classes that provide information of interest to administrators. Table 7-1 lists the categories and subcategories covered by WMI and can be used to get a general idea of the scope of WMI classes. Table 7-2 provides a selected subset of the most useful WMI classes. For more information about a category, search the official WMI documentation.

Table 7-1. WMI class categories and subcategories

Category	Subcategory
Computer system hardware	Cooling device, input device, mass storage, motherboard, controller and port, networking device, power, printing, telephony, video, and monitor
Operating system	COM, desktop, drivers, filesystem, job objects, memory and page files, multimedia audio/visual, networking, operating system events, operating system settings, processes, registry, scheduler jobs, security, services, shares, Start menu, storage, users, Windows NT event log, Windows product activation
WMI Service Management	WMI configuration, WMI management
General	Installed applications, performance counter, security descriptor

Table 7-2. Selected WMI classes

Class	Description
CIM_DataFile	Represents a named collection of data or executable code. Currently, the provider returns files on fixed and mapped logical disks. In the future, only instances of files on local fixed disks will be returned.
Win32_BaseBoard	Represents a baseboard, which is also known ...