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Windows installed features

On a Windows Server 2012 or 2012 R2 system you can install the ServerManager module and use the Get-WindowsFeature cmdlet to discover the installed features. They can be managed with Install-WindowsFeature and Uninstall-WindowsFeature .

These cmdlets don’t exist on Windows 8/8.1

However the Dism (Deployment Image Servicing and Management) module can help out. The Dism module is mainly concerned with managing wim files and virtual disks for deployment scenarios but it also contains these cmdlets:

Enable-WindowsOptionalFeature

Get-WindowsOptionalFeature

Disable-WindowsOptionalFeature

 

To discover the installed features

Get-WindowsOptionalFeature -Online | Format-Table –AutoSize

 

The output looks like this

FeatureName                                                State
-----------                                                      -----
Microsoft-Hyper-V-All                                     Enabled
Microsoft-Hyper-V-Tools-All                            Enabled
Microsoft-Hyper-V                                          Enabled
Microsoft-Hyper-V-Management-Clients          Enabled
Microsoft-Hyper-V-Management-PowerShell    Enabled
Printing-Foundation-Features                           Enabled
Printing-Foundation-LPRPortMonitor                 Disabled
Printing-Foundation-LPDPrintService                Disabled
Printing-Foundation-InternetPrinting-Client      Enabled

etc

 

For all of these cmdlets use –Online to access the local machine rather than an image.

 

Individual features can be enabled or disabled

Enable-WindowsOptionalFeature -FeatureName TelnetClient –Online

Disable-WindowsOptionalFeature -FeatureName TelnetClient –Online

 

Feature names are case sensitive.

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