Write Value to the Registry

published: January 24, 2020 author: Tinu tags: PowerShell categories: PowerShell-Registry

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Table of Contents

• Table of Contents
• Write Single-Value to the Registry
  • Volatile registry key
• See also

Copy items from a local to a remote computer using a psremote-session.

Write Single-Value to the Registry

function Set-RegistryValue {
    [CmdletBinding()]
    param(
        [Parameter(Mandatory=$false)]
        [Object]$args
    )
    $ret = $null
    if(-not(Test-Path "$($args.Hive):\$($args.Path)")){
        New-Item -Path "$($args.Hive):\$($args.Path)" -Force
    }

    Try{
        $ret = Set-ItemProperty -Path "$($args.Hive):\$($args.Path)" -Name $($args.Property) -value $($args.Value) -PassThru
    }
    catch{
        $ret = $null
    }

    return $ret
}

$params = @{
    Hive     = 'HKLM'
    Path     = 'SOFTWARE\Company\Settings'
    Property = 'CompanyGroupId'
    Value    = '123456'
}

Set-RegistryValue -args $params

Volatile registry key

If you use the New-Item-Cmdlet, the subkey is created as stable key. Sometimes you need a subkey that will be deleted after a reboot, you can create a volatile subkey.

$HKLM   =[Microsoft.Win32.RegistryKey]::OpenBaseKey('LocalMachine','default')
$SubKey = $HKLM.OpenSubKey('SOFTWARE\Company\Settings', $true)
$SubKey.CreateSubKey('Volatile', $true , [Microsoft.Win32.RegistryOptions]::Volatile)
$SubKey.CreateSubKey('Non-Volatile', $true , [Microsoft.Win32.RegistryOptions]::None)

See also

Set-ItemPropertyValue on Microsoft Docs.

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