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Set-GPPrefRegistryValue

Set-GPPrefRegistryValue

Configures a Registry preference item under either Computer Configuration or User Configuration in a GPO.

Syntax

Set-GPPrefRegistryValue -Guid <Guid> -Action {<Create> | <Replace> | <Update> | <Delete>} -Context {<User> | <Computer>} -Key <string> -Type {<Unknown> | <String> | <ExpandString> | <Binary> | <DWord> | <MultiString> | <QWord>} -Value <psobject> [-Disable] [-Domain <string>] [-Order <int>] [-Server <string>] [-ValueName <string>] [-Confirm] [-WhatIf] [<CommonParameters>]

Set-GPPrefRegistryValue [-Name] <string> -Action {<Create> | <Replace> | <Update> | <Delete>} -Context {<User> | <Computer>} -Key <string> -Type {<Unknown> | <String> | <ExpandString> | <Binary> | <DWord> | <MultiString> | <QWord>} -Value <psobject> [-Disable] [-Domain <string>] [-Order <int>] [-Server <string>] [-ValueName <string>] [-Confirm] [-WhatIf] [<CommonParameters>]

Detailed Description

Configures a Registry preference item under either Computer Configuration or User Configuration in a GPO.

You can configure the Registry preference item for either a registry key or a registry value:
-- For a registry key, specify the Key parameter, but do not specify the ValueName, Type, or Value parameters.
-- For a registry value, specify the Key parameter together with the ValueName, Type, and Value parameters. (All these parameters must be specified.)

You must specify the Context parameter (User or Computer) to indicate whether to configure the Registry preference item in Computer Configuration or User Configuration. You must also specify the Action parameter to set the action that should be applied on the client. You can specify the GPO by its display name or its GUID. You can specify the Disable parameter to create a Registry preference item that is disabled.

Note: This cmdlet configures new Registry preference items. It does not modify existing Registry preference items.

This cmdlet can take input from the pipeline:
--You can pipe GPO objects to this cmdlet to set a specified Registry preference item on one or more GPOs.
--You can pipe PreferenceRegistrySetting objects to this cmdlet to set one or more Registry preference items on a specified GPO.

Parameters

-Action <PreferenceAction>

Specifies the action for the Registry preference item. You must specify one of the following actions: Create, Update, Replace, or Delete.

The action specifies how the Registry preference item is applied to the registry key or registry value on the client when Group Policy is processed.

The following values are permitted for this object type.

  • Create

  • Replace

  • Update

  • Delete

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Context <GpoConfiguration>

Specifies whether the Registry preference item is configured under User Configuration or Computer Configuration in the GPO. You must specify either User or Computer.

The following values are permitted for this object type.

  • User

  • Computer

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Disable <SwitchParameter>

If specified, the Registry preference item is configured as disabled. A disabled Registry preference item is not applied when Group Policy is processed on the client, and, therefore, does not modify any existing registry keys or values on the client.

This parameter does not disable an existing Registry preference item in the GPO, rather, it creates a new Registry preference item that is disabled. (Any existing Registry preference items that configure the same key or value will still be applied when the GPO is processed on a client.) This behavior is different than disabling an existing Registry preference item using the GPMC.

You can use the Remove-GPPrefRegistryValue cmdlet to remove any existing Registry preference items associated with the specified key or value from the appropriate configuration (User or Computer) in the GPO before you create the new disabled Registry preference item. This ensures that after you create the disabled Registry preference item, it will be the only Registry preference item associated with the key or value in the specified configuration in the GPO.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Domain <string>

Specifies the domain for this cmdlet. You must specify the fully qualified domain name (FQDN) of the domain (for example: sales.contoso.com).

For the Set-GPPrefRegistryValue cmdlet, the GPO for which to configure the Registry preference item must exist in this domain.

If you do not specify the Domain parameter, the domain of the user that is running the current session is used. (If the cmdlet is being executed from a computer startup or shutdown script, the domain of the computer is used.) For more information, see the Notes section in the full Help.

If you specify a domain that is different from the domain of the user that is running the current session (or, for a startup or shutdown script, the computer), a trust must exist between that domain and the domain of the user (or the computer).

You can also refer to the Domain parameter by its built-in alias, "domainname". For more information, see about_Aliases.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-Guid <Guid>

Specifies the GPO in which to configure the Registry preference item by its globally unique identifier (GUID). The GUID uniquely identifies the GPO.

You can also refer to the Guid parameter by its built-in alias, "id". For more information, see about_Aliases.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByValue, ByPropertyName)

Position?

named

-Key <string>

Specifies the registry key for the Registry preference item; for example: HKEY_CURRENT_USER\Control Panel\Colors.

You can specify any of the following registry hives: HKEY_CLASSES_ROOT (HKCR), HKEY_CURRENT_USER (HKCU), HKEY_LOCAL_MACHINE (HKLM), HKEY_USERS (HKU), and HKEY_CURRENT_CONFIG (HKCC). Any of these hives can be specified for Registry preference items in both Computer Configuration and User Configuration.

You can configure a preference registry setting for a registry key or a registry value.
-- To configure a setting for a registry key, specify the Key parameter without the ValueName, Value, or Type parameters.
-- To configure a setting for a registry value, specify the Key parameter together with the ValueName, Value, and Type parameters.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-Name <string>

Specifies the GPO in which to configure the Registry preference item by its display name.

The display name is not guaranteed to be unique in the domain. If another GPO with the same display name exists in the domain, an error occurs. You can use the Guid parameter to uniquely identify a GPO.

You can also refer to the Name parameter by its built-in alias, "displayname". For more information, see about_Aliases.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

1

-Order <int>

Specifies the order in which the Registry preference item is processed relative to other Registry preference items in the GPO when the GPO is applied on a client computer. If two Registry preference items in the GPO change the same registry value, the one that has the highest order is the last to modify the value on the client.

By default, if the Order parameter is not specified, the order is set to one plus the current number of Registry preference items in the GPO. You can specify any value greater than zero. If you specify a value larger than the default value, the order is set to the default.

The order of a setting can change as Registry preference items are added or removed from the GPO. For example, if the GPO has five Registry preference items, and you add another one and specify an order of 4, the Registry preference items that previously were at order 4 and 5, are at order 5 and 6 after the change.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Server <string>

Specifies the name of the domain controller that this cmdlet contacts to complete the operation. You can specify either the fully qualified domain name (FQDN) or the host name. For example:

FQDN: DomainController1.sales.contoso.com
Host Name: DomainController1

If you do not specify the name by using the Server parameter, the PDC emulator is contacted.

You can also refer to the Server parameter by its built-in alias, "dc". For more information, see about_Aliases.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-Type <RegistryValueKind>

Specifies the data type of the registry value for the Registry preference item. You can specify one of the following data types: String, ExpandString, Binary, DWord, MultiString, ExpandString, and Qword. For more information about these data types, see "Microsoft.Win32.RegistryValueKind Enumeration" in the MSDN library at http://go.microsoft.com/fwlink/?LinkID=143266.

When you configure a Registry preference item for a registry key, do not specify this parameter. When you configure a Registry preference item for a registry value, specify this parameter together with the Key, ValueName, and Value parameters.

The following values are permitted for this object type.

  • Unknown

  • String

  • ExpandString

  • Binary

  • DWord

  • MultiString

  • QWord

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-Value <psobject>

Specifies the value data of the registry value for the Registry preference item. For example, the registry value "HKEY_CURRENT_USER\Control Panel\Colors ActiveTitle" can have the following (value) data: 10 36 106.

When you configure a Registry preference item for a registry key, do not specify this parameter. When you configure a Registry preference item for a registry value, specify this parameter together with the Key, ValueName, and Type parameters.

Attributes

Name Value

Required?

true

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-ValueName <string>

Specifies the value name of the registry value for the Registry preference item. For example, the registry key "HKEY_CURRENT_USER\Control Panel\Colors" can have a value with the following name: ActiveTitle. For the default value of a registry key, specify either "(default)" or an empty string ("").

When you configure a Registry preference item for a registry key, do not specify this parameter. When you configure a Registry preference item for a registry value, specify this parameter together with the Key, Value, and Type parameters.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

true (ByPropertyName)

Position?

named

-Confirm <SwitchParameter>

Prompts you for confirmation before executing the command.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-WhatIf <SwitchParameter>

Describes what would happen if you executed the command without actually executing the command.

Attributes

Name Value

Required?

false

Accept wildcard characters?

false

Accept Pipeline Input?

false

Position?

named

-CommonParameter

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see About Common Parameter

Input and Return Types

The input type is the type of the objects that you can pipe to the cmdlet. The return type is the type of the objects that the cmdlet emits.

Input Type

Microsoft.GroupPolicy.Gpo, Microsoft.GroupPolicy.PreferenceRegistrySetting. A GPO (in which to configure a specified preference registry setting), or a PreferenceRegistrySetting object (to configure in a specified GPO). Collections that contain GPOs from different domains are not supported.

Return Type

Microsoft.GroupPolicy.Gpo. Set-GPPrefRegistryValue returns the GPO in which the Registry preference item was configured.

Notes


  • You can use the Domain parameter to explicitly specify the domain for this cmdlet.

    If you do not explicitly specify the domain, the cmdlet uses a default domain. The default domain is the domain that is used to access network resources by the security context under which the current session is running. This domain is typically the domain of the user that is running the session. For example, the domain of the user who started the session by opening Windows PowerShell from the Program Files menu, or the domain of a user that is specified in a runas command. However, computer startup and shutdown scripts execute under the context of the LocalSystem account. The LocalSystem account is a built-in local account, and it accesses network resources under the context of the computer account. Therefore, when this cmdlet is executed from a startup or shutdown script, the default domain is the domain to which the computer is joined.


Examples

EXAMPLE 1

C:\PS>

Set-GPPrefRegistryValue -Name TestGPO -Context User -Key "HKCU\Software\Policies\Microsoft\Windows\Control Panel" -ValueName ScreenSaveIsSecure -Value "1" -Type String -Action Update



DisplayName      : TestGPO

DomainName       : contoso.com

Owner            : CONTOSO\Domain Admins

Id               : 35c12ab3-956c-45d5-973b-46b17d225f47

GpoStatus        : AllSettingsEnabled

Description      :

CreationTime     : 2/24/2009 4:41:03 PM

ModificationTime : 2/25/2009 12:16:28 PM

UserVersion      : AD Version: 1, SysVol Version: 1

ComputerVersion  : AD Version: 34, SysVol Version: 34

WmiFilter        :

                        

Description

-----------

This command configures a Registry preference item for the registry value "HKCU\Software\Policies\Microsoft\Windows\Control Panel\ ScreenSaveIsSecure" in User Configuration for the "TestGPO" GPO. When the GPO is applied on a client, the registry value is updated with a data type of String (REG_SZ) and value data "1".

EXAMPLE 2

C:\PS>

Set-GPPrefRegistryValue -Name TestGPO -Context User -Action Create -Key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey" -ValueName ValueOne -Value NewData -Type String                        

Description

-----------

This command configures a Registry preference item for the registry value "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey ValueOne" in User Configuration for the "TestGPO" GPO. When the GPO is applied on a client, the registry value is created with a data type of String (REG_SZ) and value data "NewData".

EXAMPLE 3

C:\PS>

Set-GPPrefRegistryValue -Guid 35c12ab3-956c-45d5-973b-46b17d225f47 -Context computer -Action Create -Key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey\ExampleKey2"                        

Description

-----------

This command configures a Registry preference item for the registry key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey\ExampleKey2" in Computer Configuration in the GPO that has ID 35c12ab3-956c-45d5-973b-46b17d225f47. When the GPO is applied on a client, the registry key is created.

EXAMPLE 4

C:\PS>

Remove-GPPrefRegistryValue -Name TestGPO -Context User -Key "HKLM\SOFTWARE\Microsoft\ExampleKey" -ValueName ValueOne | Set-GPPrefRegistryValue -Context User -Action Create -Disable -Key "HKLM\SOFTWARE\Microsoft\ExampleKey" -ValueName ValueOne -Value SomeData -Type String                        

Description

-----------

This command creates a disabled Registry preference item for the registry value "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey ValueOne" in User Configuration in the "TestGPO" GPO. First the Remove-GPPrefRegistryValue command removes any Registry preference items that configure the value from User Configuration. Then, the GPO ("TestGPO") returned by the Remove-GPPrefRegistryValue is piped into Set-GPPrefRegistryValue to configure the disabled Registry preference item. After this command completes, the disabled Registry preference item is the only Registry preference item associated with the registry value in User Configuration.

If the "TestGPO" GPO does not initially have a Registry preference item configured for the specified registry value, a non-terminating error occurs. You can suppress the error message by supplying the ErrorAction parameter to Remove-GPPrefRegistryValue and setting its value to SilentlyContinue (-ErrorAction SilentlyContinue). For more information about the ErrorAction parameter, see about_commonparameters.

EXAMPLE 5

C:\PS>

Get-GPO -All | Remove-GPPrefRegistryValue -Context User -Key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey" -ValueName ValueOne -ErrorAction SilentlyContinue | Set-GPPrefRegistryValue -Context User -Action Update -Key "HKLM\SOFTWARE\Microsoft\ExampleKey" -ValueName ValueOne -Value SomeData -Type String                        

Description

-----------

This command configures a Registry preference item to update the registry value "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey ValueOne" for every GPO in the domain that previously had a Registry preference item configured for that value in User Configuration.

First the Get-GPO cmdlet is invoked with the All parameter to get all the GPOs in the domain. These GPOs are piped into the Remove-GPPrefRegistryValue cmdlet. If the GPO contains any Registry preference items configured for the specified key, they are removed. Remove-GPPrefRegistryValue only outputs a GPO to the pipeline if it removes a Registry preference item from a GPO. Finally, these GPOs are piped to the Set-GPPrefRegistryValue to configure the Registry preference item to update the registry value.

If a GPO passed to Remove-GPPrefRegistryValue does not have a Registry preference item configured for the specified value, an non-terminating error occurs. The ErrorAction parameter is set to SilentlyContinue (-ErrorAction SilentlyContinue) to suppress the error message. For more information about the ErrorAction parameter, see about_commonparameters.

EXAMPLE 6

C:\PS>

get-gpprefregistryvalue -name testgpo -context user -key hklm\software\microsoft\examplekey | set-gpprefregistryvalue -name testgpo-1 -context computer -order 1 -erroraction silentlycontinue



DisplayName      : TestGPO-1

DomainName       : contoso.com

Owner            : CONTOSO\Domain Admins

Id               : ef4d0f7e-1a1a-4fd1-b735-0bc6620e7f51

GpoStatus        : AllSettingsEnabled

Description      :

CreationTime     : 3/1/2009 11:14:06 AM

ModificationTime : 3/1/2009 11:15:16 AM

UserVersion      : AD Version: 0, SysVol Version: 0

ComputerVersion  : AD Version: 1, SysVol Version: 1

WmiFilter        :



DisplayName      : TestGPO-1

DomainName       : contoso.microsoft.com

Owner            : CONTOSO\Domain Admins

Id               : ef4d0f7e-1a1a-4fd1-b735-0bc6620e7f51

GpoStatus        : AllSettingsEnabled

Description      :

CreationTime     : 3/1/2009 11:14:06 AM

ModificationTime : 3/1/2009 11:15:16 AM

UserVersion      : AD Version: 0, SysVol Version: 0

ComputerVersion  : AD Version: 2, SysVol Version: 2

WmiFilter        :                        

Description

-----------

This command copies all Registry preference items that configure (first-level) values under the registry key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\ExampleKey" from User Configuration in a source GPO (TestGPO) to Computer Configuration in destination GPO (TestGPO-1). A copy of the destination GPO (TestGPO-1) is returned for each Registration preference item set (in this examlpe, 2).

The Get-GPPrefRegistryValue command gets all the Registry preference items that configure values under User Configuration in the source GPO. This command also returns all first level subkeys that have values configured (though not the Registry preference items for the values themselves). These Registry preference items (and the subkeys) are then piped into the Set-GPPrefRegistryValue command.

The Set-GPPrefRegistryValue command configures the Registry preference items for the registry values in the destination GPO.
-- The subkeys returned by Get-GPPrefRegistryValue do not have an Action property, and so a non-terminating error occurs for each subkey. The ErrorAction parameter is specified (-ErrorAction SilentlyContinue) to suppress these error messages. For more information about the ErrorAction parameter, see about_commonparameters.
-- It is a good practice to specify an order of one (-Order 1) in Set-GPPrefRegistryValue when it accepts input from the pipeline. This is because Registry preference items passed on the pipeline have an Order property. If the Order property of a Registry preference item passed on the pipeline is greater than the number of Registry preference items currently configured in the destination GPO, an out of range error occurs and the Registry preference item is not configured in the destination GPO. By specifying the order as one in the Set-GPPrefRegistryValue command, you override the Order property of the source Registry preference item, and prevent such errors from occurring.

See Also

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