Initial checkin

README.md

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+# Reset Rdp Trail Licenses
+
+This script resets the RDP Trail license date (normaly 120 days). 
+The script has been adjusted so no input is required and you can just schedule it to run every reboot or with patching.

reset.ps1

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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)" 
+$Response = "Y"
+ 
+if ($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