Install Windows Feature from Source

Here’s the syntax to use when trying to use Install-WindowsFeature cmdlet with source as ISO mounted as DVD:

Install-WindowsFeature -Name "Web-App-Dev" -source wim:f:\sources\install.wim:4

Interestingly, when I tried to do this with the feature “Web-Net-Ext” for the .net 3.5 extensibility, it failed with a download error.

Even trying to install .net 3.5 through Install-WindowsFeature or the Server Manager failed with a similar error.

I had to install it through DISM, and then the rest of the command worked:

Dism /online /enable-feature /featurename:NetFX3 /All /Source:F:\sources\sxs


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