Install-SPFeature

Installs a SharePoint Feature by using the Feature.xml file.

Syntax

Install-SPFeature
       [-Path] <String>
       [-AssignmentCollection <SPAssignmentCollection>]
       [-CompatibilityLevel <Int32>]
       [-Confirm]
       [-Force]
       [-WhatIf]
       [<CommonParameters>]
Install-SPFeature
       [-AllExistingFeatures]
       [-AssignmentCollection <SPAssignmentCollection>]
       [-Confirm]
       [-Force]
       [-SolutionId <String>]
       [-WhatIf]
       [<CommonParameters>]
Install-SPFeature
       [-ScanForFeatures]
       [-AssignmentCollection <SPAssignmentCollection>]
       [-Confirm]
       [-Force]
       [-SolutionId <String>]
       [-WhatIf]
       [<CommonParameters>]

Description

This cmdlet contains more than one parameter set. You may only use parameters from one parameter set, and you may not combine parameters from different parameter sets. For more information about how to use parameter sets, see Cmdlet Parameter Sets (http://go.microsoft.com/fwlink/?LinkID=187810).

The Install-SPFeature cmdlet installs a specific SPFeature by providing, in the Identity parameter, the relative path from the version-specific common FEATURES folder to the feature. The version-specific FEATURES folder is "$env:ProgramFiles\Common Files\Microsoft Shared\Web Server Extensions\14\TEMPLATE\FEATURES" if the site collection is in 14 mode, and "$env:ProgramFiles\Common Files\Microsoft Shared\Web Server Extensions\15\TEMPLATE\FEATURES" if the site collection is in 15 mode. The SharePoint Feature's files must already be put in the proper directory, either manually or by using a solution installer.

If the value of the AllExistingFeatures parameter is true, the file system is scanned and all new features that are in both FEATURES folders are installed. This is generally only used during deployment and upgrade.

For permissions and the most current information about Windows PowerShell for SharePoint Products, see the online documentation at http://go.microsoft.com/fwlink/p/?LinkId=251831 (http://go.microsoft.com/fwlink/p/?LinkId=251831).

Examples

--------------EXAMPLE 1-----------------

C:\PS>Install-SPFeature -path "MyCustomFeature"

This example installs a new feature at $env:ProgramFiles\Common Files\Microsoft Shared\Web Server Extensions\15\TEMPLATE\FEATURES\MyCustomFeature/feature.xml.

--------------EXAMPLE 2-----------------

C:\PS>Install-SPFeature -AllExistingFeatures -Whatif

This example shows the unregistered features that are available on the file system and that are installed if this command is run without the WhatIf parameter. This is commonly done after an upgrade process.

--------------EXAMPLE 3-----------------

C:\PS>Install-SPFeature -path "MyCustomFeature"  -CompatibilityLevel 14

This example installs a new feature at $env:ProgramFiles\Common Files\Microsoft Shared\Web Server Extensions\15\TEMPLATE\FEATURES\MyCustomFeature\feature.xml.

--------------EXAMPLE 4-----------------

C:\PS>Install-SPFeature -path "MyCustomFeature"  -CompatibilityLevel 15

This example installs a new feature at $env:ProgramFiles\Common Files\Microsoft Shared\Web Server Extensions\15\TEMPLATE\FEATURES\MyCustomFeature\feature.xml.

Required Parameters

-AllExistingFeatures

Scans for existing, but unregistered features, and then registers them with the farm.

Type:SwitchParameter
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-Path

Specifies an authentic file path; for example, MyFeature.

The path to feature must be a literal path to the 14\Template\Features directory. The feature.xml file name is implied and does not need to be provided.

If the path to the feature is not found , the following error message is displayed: "Failed to find the XML file at location 14\Template\Features\<file path>."

Type:String
Position:1
Default value:None
Accept pipeline input:True (ByValue)
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-ScanForFeatures

Scans and then displays a feature. The ScanForFeatures parameter does not install a feature.

Type:SwitchParameter
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016

Optional Parameters

-AssignmentCollection

Manages objects for the purpose of proper disposal. Use of objects, such as SPWeb or SPSite, can use large amounts of memory and use of these objects in Windows PowerShell scripts requires proper memory management. Using the SPAssignment object, you can assign objects to a variable and dispose of the objects after they are needed to free up memory. When SPWeb, SPSite, or SPSiteAdministration objects are used, the objects are automatically disposed of if an assignment collection or the Global parameter is not used.

When the Global parameter is used, all objects are contained in the global store. If objects are not immediately used, or disposed of by using the Stop-SPAssignment command, an out-of-memory scenario can occur.

Type:SPAssignmentCollection
Position:Named
Default value:None
Accept pipeline input:True (ByValue)
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-CompatibilityLevel

Specifies the version of feature to install. When the version is not specified it will default to the web applications MaxVersion value.

The values for this can be either SharePoint Server or SharePoint Server

Type:Int32
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-Confirm

Prompts you for confirmation before executing the command. For more information, type the following command: get-help about_commonparameters

Type:SwitchParameter
Aliases:cf
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-Force

Forces the installation of an already installed feature.

Type:SwitchParameter
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-SolutionId

Specifies the solution ID of the features. If the SolutionId parameter is not provided, all solution IDs are scanned.

Type:String
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016
-WhatIf

Displays a message that describes the effect of the command instead of executing the command. For more information, type the following command: get-help about_commonparameters

Type:SwitchParameter
Aliases:wi
Position:Named
Default value:None
Accept pipeline input:False
Accept wildcard characters:False
Applies to:SharePoint Server 2010, SharePoint Server 2013, SharePoint Server 2016