Tests if an optional Windows component exists and, optionally, if it is installed.
Test-WindowsFeature [-Name] <String> [-Installed] [-WhatIf] [-Confirm] [<CommonParameters>]Feature names are different across different versions of Windows. This function tests if a given feature exists. You can also test if a feature is installed by setting the Installed switch.
Feature names are case-sensitive and are different between different versions of Windows. For a list, on Windows 2008, run serveramanagercmd.exe -q; on Windows 7, run Get-WmiObject -Class Win32_OptionalFeature | Select-Object Name. On Windows 8/2012, use Get-WindowsFeature.
| Name | Type | Description | Required? | Pipeline Input | Default Value |
|---|---|---|---|---|---|
| Name | String | The name of the feature to test. Feature names are case-sensitive and are different between different versions of Windows. For a list, on Windows 2008, run |
true | false | |
| Installed | SwitchParameter | Test if the service is installed in addition to if it exists. |
false | false | False |
| WhatIf | SwitchParameter | false | false | ||
| Confirm | SwitchParameter | false | false | ||
| CommonParameters | This cmdlet supports common parameters. For more information type Get-Help about_CommonParameters. |
Test-WindowsFeature -Name MSMQ-ServerTests if the MSMQ-Server feature exists on the current computer.
Test-WindowsFeature -Name IIS-WebServer -InstalledTests if the IIS-WebServer features exists and is installed/enabled.