Enable a feature in a Windows image.

      Enable-WindowsOptionalFeature [-All] [-LimitAccess] [-LogLevel {Errors | Warnings | WarningsInfo}]
         [-LogPath String] [-NoRestart] [-PackageName String] [-ScratchDirectory String] [-Source String[]]
            [-SystemDrive String] [-WindowsDirectory String] -FeatureName String[] -Online [CommonParameters]
      Enable-WindowsOptionalFeature [-All] [-LimitAccess] [-LogLevel {Errors | Warnings | WarningsInfo}]
         [-LogPath String] [-NoRestart] [-PackageName String] [-ScratchDirectory String] [-Source String[]]
            [-SystemDrive String] [-WindowsDirectory String] -FeatureName String[] -Path String [CommonParameters]

      Enables all parent features of the specified feature. If a parent feature is required for the specified 
      feature to be enabled in the image, All will enable the parent and all of its default dependencies.

   -FeatureName String[]
      Specifies the name of the feature to be enabled. Feature names are case sensitive if you are servicing a 
      Windows image running a version of Windows earlier than Windows® 8. You can use Get-WindowsOptionalFeature to 
      find the name of the feature in the image.
      Prevents DISM from contacting Windows Update when searching for the source files to restore a feature on an 
      online image.

      LimitAccess can only be used when servicing images with Windows 8, Windows Server 2012, Windows 
      Preinstallation Environment (Windows PE) 4.0 or a later version.

   -LogLevel [LogLevel]
      Specifies the maximum output level shown in the logs. The default log level is 3. The accepted values are as 
      1 = Errors only
      2 = Errors and warnings
      3 = Errors, warnings, and information
      4 = All of the information listed previously, plus debug output

   -LogPath [String]
      Specifies the full path and file name to log to. If not set, the default is %WINDIR%\Logs\Dism\dism.log.
      In Windows PE, the default directory is the RAMDISK scratch space which can be as low as 32 MB. The log file 
      will automatically be archived. The archived log file will be saved with .bak appended to the file name and a 
      new log file will be generated. Each time the log file is archived the .bak file will be overwritten. 
      When using a network share that is not joined to a domain, use the net use command together with domain 
      credentials to set access permissions before you set the log path for the DISM log.

      Suppresses reboot. If a reboot is not required, this command does nothing. This option will keep the 
      application from prompting for a restart or keep it from restarting automatically.
      If the prompt to restart is supressed, you can still use Restart-Computer to script an automatic restart.

      Specifies that the action is to be taken on the Operating System that is currently running on the local 

   -PackageName [String]

   -Path String
      Specifies the full path to the root directory of the offline Windows image that you will service. If the 
      directory named Windows is not a subdirectory of the root directory, -WindowsDirectory must be specified.

   -ScratchDirectory [String]
      Specifies a temporary directory that will be used when extracting files for use during servicing. The 
      directory must exist locally. If not specified, the \Windows\%Temp% directory will be used, with a 
      subdirectory name of a randomly generated hexadecimal value for each run of DISM. Items in the scratch 
      directory are deleted after each operation. 
      You should not use a network share location as a scratch directory to expand a package (.cab or .msu file) for 
      installation. The directory used for extracting files for temporary usage during servicing should be a local 

   -Source [String[]]
      Specifies the location of the files that are required to restore a feature that has been removed from the 
      image. You can specify the Windows directory of a mounted image or a running Windows installation that is 
      shared on the network.

      If you specify multiple Source arguments, the files are gathered from the first location where they are found 
      and the rest of the locations are ignored. Separate feature names with a comma.

      If you do not specify a Source for a feature that has been removed, the default location set by Group Policy 
      is used. WindowsUpdate is also used for online images.

      Source can only be used when servicing an image with Windows 8 or Windows Server 2012 or a later version.

   -SystemDrive [String]
      Specifies the path to the location of the BootMgr files. This is necessary only when the BootMgr files are 
      located on a partition other than the one that you are running the command from. Use -SystemDrive to service 
      an installed Windows image from a Windows PE environment.

   -WindowsDirectory [String]
      Specifies the path to the Windows directory relative to the image path. This cannot be the full path to the 
      Windows directory; it should be a relative path. If not specified, the default is the Windows directory in the 
      root of the offline image directory.


Enable an optional feature in the running Operating System:

PS C:\> Enable-WindowsOptionalFeature –Online –FeatureName "Hearts" -All

Enable the optional feature, Calc in a mounted Operating System image at "C:\offline":

$feature = @{
   Path = "C:\offline"
   FeatureName = "Calc"
   PackageName = "Microsoft.Windows.Calc.Demo~6595b6144ccf1df~x86~en~"
Enable-WindowsOptionalFeature @feature

Restore an optional feature:

$feature = @{
   Online = $True
   LimitAccess = $True
   FeatureName = "MyFeature"
   Source = "C:\test\mount"
Enable-WindowsOptionalFeature @feature

"When you enable the addict, you nourish the disease” ~ Toni Sorenson

Related PowerShell Cmdlets

Enable-ADOptionalFeature - Enable an Active Directory optional feature.
Disable-WindowsOptionalFeature - Disable a feature in a Windows image.
Get-WindowsFeature - Retrieve roles, role services, and features.
Install-WindowsFeature - Install roles, role services, or features.
Add-WindowsPackage - Add a single .cab or .msu file to a Windows image.
Windows CMD: FONDUE - Features on Demand User Experience Tool.
PowerShell DISM cmdlets

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