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