How-To Software

Server 2012 R2 Data Deduplication on Windows 8.1

Talking a late walk around features of Windows Server 2012 R2. One of the features that interested me was the deduplicaiton feature. Naturally I want to run this on my Windows desktop. So my journey began.

Warning these steps and method are no way supported by Microsoft; use at your own risk.

To pull this off you need to acquire files from a Windows Server 2012 R2 installation.

Here is a list of the cab files:

Here is a link I am sharing out from MEGA that has them all archived. (4.2 MB)

Steps to follow:

Place all files into a folder

Next open a command prompt running as administrator

Execute the following dism command:

dism /online /add-package / /  / /  / /

You can also run them one at time

dism /online /add-package / 
dism /online /add-package /  
dism /online /add-package / 
dism /online /add-package /  
dism /online /add-package / 
dism /online /add-package /

Once all have completed successfully you need to issue the following command to enable the feature

dism /online /enable-feature /featurename:Dedup-Core /all

This can also be done via the “Turn Windows features on or off” under Program and Features

At this point the feature is installed and enable and you only need to specify what volumes you would like to deduplicate.


Supporting Sources and Thanks: Wei King , Bernard Khoo

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