PortValhalla/scripts/Windows/Scripts/Registry.ps1

77 lines
1.9 KiB
PowerShell

using namespace Microsoft.Win32;
$null = New-Module {
$wuPolicyPath = "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate";
function Edit-DefaultUserKey {
param(
[scriptblock] $Action
)
$rootPath = "HKLM:\DefaultUser";
$regRootPath = $rootPath -replace "^(\w+):([\\/]|$)","`$1`$2";
$hivePath = "$env:SystemDrive\Users\Default\NTUSER.dat";
$null = & reg load $regRootPath $hivePath;
[RegistryKey] $root = Get-Item $rootPath;
& $Action -Key $root;
$root.Handle.Close();
[System.GC]::Collect();
& reg unload $regRootPath;
}
<#
.SYNOPSIS
Sets a message to show on the login screen.
.PARAMETER Caption
The title of the message.
.PARAMETER Message
The text of the message.
#>
function Set-BootMessage {
param(
[string] $Caption,
[string] $Message
)
$options = @{
legalnoticecaption = $Caption;
legalnoticetext = $Message;
};
foreach ($key in $options.Keys) {
Set-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System" `
-Name $key `
-Type "String" `
-Value ($options[$key]);
}
}
<#
.SYNOPSIS
Disables the boot message.
#>
function Disable-BootMessage {
Set-BootMessage;
}
<#
.SYNOPSIS
Disables automatic reboots by Windows Update.
#>
function Disable-WindowsUpdateAutoRestart {
Set-ItemProperty "$wuPolicyPath\AU" `
-Name NoAutoRebootWithLoggedOnUsers `
-Value $Value;
}
<#
.SYNOPSIS
Resets the automatic reboot state.
#>
function Reset-WindowsUpdateAutoRestart {
Remove-Item -Recurse "$wuPolicyPath";
}
}