PowerShell for Windows Admins:

CIM


April 24, 2018  1:09 PM

CIM references and associations

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell

Way back in 2011, when I were just a young lad, I wrote about WMI or CIM references and associations - https://wordpress.com/read/blogs/16267735/posts/1673 ASSOCIATORS...

February 1, 2018  10:49 AM

CIM_ or Win32_

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell

If you dig into the classes available on a Windows machine you’ll see a mixture of prefixes – namely CIM_ and Win32_ used for the classes. So which should you use CIM_ or Win32_ Lets start by seeing whats available:

PS> Get-CimClass -ClassName *Volume*


    NameSpace:...


December 21, 2017  12:08 PM

Windows Updates CIM classes

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell, WSUS

When Windows 10 and Server 2016 were released they contained a new CIM namespace - ROOT/Microsoft/Windows/WindowsUpdate This contained a CIM class MSFT_WUOperationsSession that had 2 very useful methods – ScanForUpdates and ApplyApplicableUpdates. These methods enabled you to find and...


October 25, 2017  5:32 AM

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell

A question on the forum about getting monitor resolution led to this code

Get-CimInstance -Namespace root\wmi -ClassName WmiMonitorId |
foreach {
 
 $filter = ("InstanceName = '$($psitem.InstanceName)'").Replace("`\", "`\`\")
 
 $maxres = Get-CimInstance -Namespace root\wmi -ClassName...


September 27, 2017  1:47 PM

Examples of replacing WMI cmdlet with CIM cmdlet

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell, WMI

Following my last post I was asked about these Examples of replacing WMI cmdlet with CIM cmdlet. Example 1 gwmi win32_operatingsystem -computername $Computer -credential $creds, $cs = New-CimSession -Credential $creds -ComputerName $computer Get-CimInstance -ClassName...


September 26, 2017  10:04 AM

CIM not WMI

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell, WMI

I still see a lot of people using the WMI cmdlets – Get-WmiObject etc. You really should be using CIM nit WMI. In other words use Get-CimInstance rather than get-WmiObject etc etc. Why do I say that? Two main reasons. Firstly, the WMI cmdlets are effectively deprecated. Any further...


July 16, 2017  3:56 AM

Change a computer’s description

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell

The Win32_OperatingSystem class exposes the machines Description. This is how you can easily change a computer’s description.

PS> Get-CimInstance -ClassName Win32_OperatingSystem | select Description

Description
-----------

PS> Get-CimInstance -ClassName Win32_OperatingSystem |...


July 12, 2017  10:13 AM

More diskinfo

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Disk storage, Powershell

Yesterday I showed how to get the disk, partition and logical disk information using CIM. Today I want to show more diskinfo techniques. This time we’ll use the Storage module which was introduced with Windows 8. Underneath the covers it uses CIM – just different classes. The storage module...


July 11, 2017  12:35 PM

Linking disks, partitions and logical drives

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Disk storage, Powershell, WMI

A question of the forums was asking about discovering disk information. They were trying to pipe the output of Get-WmiObject into another Get-WmiObject. that won’t work. There is another way. On Windows machines physical drives are divided into 1 or more partitions which are each divided into one...


June 30, 2017  12:59 PM

Finding a CIM class

Richard Siddaway Richard Siddaway Profile: Richard Siddaway
CIM, Powershell, WMI

One of the problems you might find is finding a CIM class. You know its name but you don’t know which namespace its in. The old WMI cmdlets allow you to search the namespaces recursively

PS> Get-WmiObject -Class Win32_Process -Namespace root -Recurse -List


 NameSpace:...


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