Advanced Windows PowerShell Scripting Video Training

Advanced Windows PowerShell Scripting Video Training
Advanced Windows PowerShell Scripting Video Training

Friday, March 21, 2014

Comparison of PowerShell DISM Module and DOS DISM Commands

DISM has been used for many years to mount images and to make changes without actually first deploying the image and then re-capturing it. With the prevalence of Windows PowerShell. We now have DISM’s capabilities available to us in the familiar PowerShell syntax.

One of the issues that I have always had with DISM is the cumbersome parameters. Here is a DISM command:

DISM /Get-WimInfo /WimFile:Install.wim

And its PowerShell counterpart:

Get-WindowsImage –ImpagePath Install.wim

The green highlights are the switches. You can see a difference. Also, by using PowerShell, you are using a technology that will be supported well into the feature as well as the search and help features of Windows PowerShell. Below are the commands used to add the BITS feature to a Windows 2012 R2 server image. The length of typing may appear to be the same, but with PowerShell’s TAB completion, you will most likely not have typos on the PowerShell side. Good luck with not making a typo with DISM.




Get-WindowsImage –ImpagePath install.wim

Dism /get-WimInfo /WimFile:install.wim

List all images inside of the WIM file

Mount-WindowsImage –Path E:\Offline –ImagePath Install.wim –Name “Windows Server 2012 R2 SERVERSTANDARDCORE”

Dism /Mount-WIM /WimFile:install.wim /Name:”Windows Server 2012 R2 SERVERSTANDARDCORE” /MountDir:E:\Offline

Mounts a specific image from a WIM file.

Get-WindowsOptionalFeature –Path e:\online

Dism /Image:e:\Offline /Get-Features

List all of the features for the image.

Enable-WindowsOptionalFeature –Path e:\Offline –FeatureName BITS

Dism /Image:E:\Offline /Enable-Feature /FeatureName:BITS

Enables a specific feature in the mounted image

Dismount-WIndowsImage –Path E:\Offline –Save

Dism /Unmount-WIM /MountDir:E:\Offline /Commit

Dismounts the image and saves all changes made.

Click here for a list of all DISM commands for PowerShell.

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