Powershell - How to use Get-WindowsOptionalFeature command to “Turn Windows Features On and Off”

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Powershell - How to use Get-WindowsOptionalFeature command to “Turn Windows Features On and Off”



In Windows 10, you can "Turn windows features on and off" in the control panel; you see a screen as such:
enter image description here



Let's say I want to select IIS 6 WMI Compatibility by using the Enable-WindowsOptionalFeature command in powershell.


Enable-WindowsOptionalFeature



If I run :



Get-WindowsOptionalFeature "IIS 6 WMI Compatibility"


Get-WindowsOptionalFeature "IIS 6 WMI Compatibility"



I get this error:


Get-WindowsOptionalFeature : A positional parameter cannot be found that accepts argument 'IIS 6 WMI Compatibility'.
At line:1 char:1
+ Get-WindowsOptionalFeature "IIS 6 WMI Compatibility"
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidArgument: (:) [Get-WindowsOptionalFeature], ParameterBindingException
+ FullyQualifiedErrorId : PositionalParameterNotFound,Microsoft.Dism.Commands.GetWindowsOptionalFeatureCommand



Question



How do I map the names of these features to the PowerShell command?



End Goal



The end goal is to automate setting up a new developer and his machine.




2 Answers
2



Good you found a answer that works for you, but...



Yet, you don't need a function to use wildcards. Just do this...


Get-WmiObject -Class $Win32_OperatingSystem


SystemDirectory : C:WINDOWSsystem32
Organization :
BuildNumber : 17134
RegisteredUser :
SerialNumber : 00330-50027-66869-AAOEM
Version : 10.0.17134




$PSVersionTable

Name Value
---- -----
PSVersion 5.1.17134.165
PSEdition Desktop
PSCompatibleVersions 1.0, 2.0, 3.0, 4.0, 5.0, 5.1.17134.165
BuildVersion 10.0.17134.165
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1



# List features all
(Get-WindowsOptionalFeature -Online -FeatureName '*') | Format-Table -Autosize
(Get-WindowsOptionalFeature -Online -FeatureName '*').Count
144

# List features for IIS
(Get-WindowsOptionalFeature -Online -FeatureName '*IIS*').Count
54

# List features for wmi
(Get-WindowsOptionalFeature -Online -FeatureName '*wmi*').Count
2

# List features for IIS or wmi
(Get-WindowsOptionalFeature -Online -FeatureName '*iis*|*wmi*').Count
55


# List features for IIS or wmi or hyperv
(Get-WindowsOptionalFeature -Online -FeatureName '*iis*|*wmi*|*hyper*').Count
63





Cool. So I can get rid of my for loop and just do that instead. I'll mark as accepted because that's more succinct than my answer.
– Kolob Canyon
Aug 13 at 15:26


for





I think what got me when trying to first learn this command was the -Online flag. I don't understand why you get an error if you do Get-WindowsOptionalFeature -FeatureName *
– Kolob Canyon
Aug 13 at 15:31


-Online


Get-WindowsOptionalFeature -FeatureName *





Glad it's a better solution for you. As for the online thing, it's a mandatory / required parameters docs.microsoft.com/en-us/powershell/module/dism/… thing unlike the WinSvr cmdlet for this same sort of thing.
– postanote
Aug 13 at 20:31



I figured it out.



The code below is used to find the feature by using wildcards


$features = Get-WindowsOptionalFeature -Online
Write-Host ('There are ' + $features.Count + ' Windows features available') -ForegroundColor Green
foreach($feature in $features)

if($feature.FeatureName -like "*IIS*WMI*") # wildcard search

$feature




The code above returns this:


There are 170 Windows features available


FeatureName : IIS-WMICompatibility
State : Disabled



Therefore, to enable the feature you can run:


$feature = Get-WindowsOptionalFeature -Online -FeatureName 'IIS-WMICompatibility'
Enable-WindowsOptionalFeature $feature -Online



Note: you have to run Enable-WindowsOptionalFeature as admin...


Enable-WindowsOptionalFeature



You can verify that it was enabled by running this:



(Get-WindowsOptionalFeature -Online -FeatureName 'IIS-WMICompatibility').State


(Get-WindowsOptionalFeature -Online -FeatureName 'IIS-WMICompatibility').State






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