Windows administration scripts and tricks

Scripts - Disable Windows Updates


$WindowsUpdatePath = "HKLM:SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\"
$AutoUpdatePath = "HKLM:SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU"

If(Test-Path -Path $WindowsUpdatePath) {
    Remove-Item -Path $WindowsUpdatePath -Recurse

New-Item $WindowsUpdatePath -Force
New-Item $AutoUpdatePath -Force

Set-ItemProperty -Path $AutoUpdatePath -Name NoAutoUpdate -Value 1

Get-ScheduledTask -TaskPath "\Microsoft\Windows\WindowsUpdate\" | Disable-ScheduledTask

takeown /F C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator /A /R
icacls C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator /grant Administrators:F /T

Get-ScheduledTask -TaskPath "\Microsoft\Windows\UpdateOrchestrator\" | Disable-ScheduledTask

Stop-Service wuauserv
Set-Service wuauserv -StartupType Manual

Write-Output "All Windows Updates were disabled"


Windows - Administration References

Windows Server RDP Port Registry Path

Path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp
Attribute name: Port Number

Remove Windows License Key

To remove the product key from a Windows Server 2008 (R2) follow these steps:

  1. Open command prompt as administrator:
    1. START->RUN->”cmd” (right-click -> run as administrator)
  2. Type in: slmgr -upk
  3. Wait a few seconds until windows confirms the removal of the product key.