Solution: Do you want to reset Terminal Server (RDS) Grace period to Default 120 Days?

IT & Software | Operating Systems
  • 5.0 (1 ratings)
Last updated 04/2019
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Description
This Script is intended to be used for Querying remaining time and resetting Terminal Server (RDS) Grace Licensing Period to Default 120 Days.
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## This Script is intended to be used for Querying remaining time and resetting Terminal Server (RDS) Grace Licensing Period to Default 120 Days. 
## Developed by Prakash Kumar (prakash82x@gmail.com) May 28th 2016 
## www.adminthing.blogspot.com 
## Disclaimer: Please test this script in your test environment before executing on any production server. 
## Author will not be responsible for any misuse/damage caused by using it. 
 
Clear-Host 
$ErrorActionPreference = "SilentlyContinue" 
 
## Display current Status of remaining days from Grace period. 
$GracePeriod = (Invoke-WmiMethod -PATH (gwmi -namespace root\cimv2\terminalservices -class win32_terminalservicesetting).__PATH -name GetGracePeriodDays).daysleft 
Write-Host -fore Green ====================================================== 
Write-Host -fore Green 'Terminal Server (RDS) grace period Days remaining are' : $GracePeriod 
Write-Host -fore Green ======================================================   
Write-Host 
$Response = Read-Host "Do you want to reset Terminal Server (RDS) Grace period to Default 120 Days ? (Y/N)" 
 
if ($Response -eq "Y") { 
## Reset Terminal Services Grace period to 120 Days 
 
$definition = @" 
using System; 
using System.Runtime.InteropServices;  
namespace Win32Api 

    public class NtDll 
    { 
        [DllImport("ntdll.dll", EntryPoint="RtlAdjustPrivilege")] 
        public static extern int RtlAdjustPrivilege(ulong Privilege, bool Enable, bool CurrentThread, ref bool Enabled); 
    } 

"@  
 
Add-Type -TypeDefinition $definition -PassThru 
 
$bEnabled = $false 
 
## Enable SeTakeOwnershipPrivilege 
$res = [Win32Api.NtDll]::RtlAdjustPrivilege(9, $true, $false, [ref]$bEnabled) 
 
## Take Ownership on the Key 
$key = [Microsoft.Win32.Registry]::LocalMachine.OpenSubKey("SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\GracePeriod", [Microsoft.Win32.RegistryKeyPermissionCheck]::ReadWriteSubTree,[System.Security.AccessControl.RegistryRights]::takeownership) 
$acl = $key.GetAccessControl() 
$acl.SetOwner([System.Security.Principal.NTAccount]"Administrators") 
$key.SetAccessControl($acl) 
 
## Assign Full Controll permissions to Administrators on the key. 
$rule = New-Object System.Security.AccessControl.RegistryAccessRule ("Administrators","FullControl","Allow") 
$acl.SetAccessRule($rule) 
$key.SetAccessControl($acl) 
 
## Finally Delete the key which resets the Grace Period counter to 120 Days. 
Remove-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server\RCM\GracePeriod' 
 
write-host 
Write-host -ForegroundColor Red 'Resetting, Please Wait....' 
Start-Sleep -Seconds 10  
 
  } 
 
Else  
    { 
Write-Host 
Write-Host -ForegroundColor Yellow '**You Chose not to reset Grace period of Terminal Server (RDS) Licensing' 
  } 
 
## Display Remaining Days again as final status 
tlsbln.exe 
$GracePost = (Invoke-WmiMethod -PATH (gwmi -namespace root\cimv2\terminalservices -class win32_terminalservicesetting).__PATH -name GetGracePeriodDays).daysleft 
Write-Host 
Write-Host -fore Yellow ===================================================== 
Write-Host -fore Yellow 'Terminal Server (RDS) grace period Days remaining are' : $GracePost 
Write-Host -fore Yellow ===================================================== 
 
## Cleanup of Variables 
Remove-Variable * -ErrorAction SilentlyContinue

Restart-Service SessionEnv
Restart-Service TermService -Force

on February 01st, 2019 (10:14 pm)
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on April 02nd, 2019 (11:01 pm)
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