Table of Contents
Where can I find WMI classes?
There are instances when you may want to search for different WMI classes on a system. The two primary cmdlets that enable you to search WMI are get-wmiobject, and get-cimclass . You can simply leverage the get-wmiobject cmdlet with the –list argument to list all the classes in a particular namespace.
What is the WMI namespace?
WMI represents namespaces as instances of the class: __Namespace. This class starts with 2 (two) underscores. All internal WMI classes are marked that way. Finding Child Namespaces of a Namespace. Get-CimInstance -ClassName __Namespace.
What is Win32_Product?
The Win32_Product class enables you to enumerate the software installed on a computer, provided the software was installed by using the Windows Installer.
How do I delete a WMI namespace?
Ensure the Namespace is root\cimv2 and then click on Connect. Choose Recursive and then click on the OK button. Once the list is fully populated, find the class you wish to delete; in this case I have chosen ES_MIR. Click Delete to delete the class.
How do I open WMI files?
Open the WMI Control console: Click Start, choose Run and type wmimgmt. msc, then click OK.
How do I change my WMI namespace?
In the WMI Control pane, right-click WMI Control, choose Properties, and then select the Security tab. Navigate to the new namespace, click Security, and then configure groups and permissions for the namespace.
Why you should not use Win32_Product?
It potentially returns incomplete data. Win32_Product will only return applications installed via Windows Installer. There are many products used to assemble installers that don’t build Windows Installer packages.
How do I get rid of WMI objects?
The first command uses Get-WMIObject to query for the C:\Test folder, and then stores the object in the $a variable. The second command pipes the $a variable to Remove-WMIObject , which deletes the folder.
How do I access root cimv2?
To access classes and instances in root\cimv2 namespace, use the URI prefix: http://schemas.microsoft.com/wbem/wsman/1/wmi/root/cimv2/ . For more information, see Resource URIs.
How do I edit WMI files?
Select the WMI Control item in the left pane, right click on the mouse and select Properties. Select the Security tab. Select the WMI Container where you want to modify the security, i.e. Root or CIMV2, and click on the Security button. Configure the desired permissions.
How do I view namespace access rights in WMI?
WMI denies access to the namespace, but the requested operation matches the access rights in the namespace SACL for that user or group. You can view the namespace access rights for various accounts on the WMI Control. These constants are described in Namespace Access Rights Constants.
What is the difference between a WMI class and namespace?
A WMI Class can either be an object definition or an association definition. Furthermore, a class can either be concrete, abstract or pure abstract. The following is a legend of the miscellaneous icons you may find in the View by Namespace & Class view. A namespace is a logical grouping of classes which belong to the same management environment.
How is the WMI repository organized?
The WMI repository is organized in a hierarchy of namespaces. Each namespace contains classes which are themselves organized in a hierarchy and may contain child namespaces.
How can I explore the objects available on a WMI machine?
Also, different machines may have a different set of objects available depending on the version of the WMI repository installed. You can use the View by Namespace & Classview to fully explore what the remote Windows client has to offer. Using this view you will be able to: Explore the full set of namespaces and classes available on a machine.