Disable-Gui.ps1

1. <# 
2. .SYNOPSIS 
3.     This script defines a function, Disable-Gui which 
4.     disables the GUI on Windows Server 2012 Server Core 
5. .DESCRIPTION 
6.     The Disable-GUI function enables the GUI in Server 2012 
7.     Server Core by Removing two windows features. The 
8.     script add a Shell setting to ensure that when 
9.     Server 2012 restarts, it starts with PowerShell.  
10. .NOTES 
11.     File Name  : Disable-GUI.ps1 
12.     Author     : Thomas Lee - tfl@psp.co.uk 
13.     Requires   : PowerShell Version 3.0 and Windows Server 2012. 
14. .LINK 
15.     This script posted to: 
16.         http://www.pshscripts.blogspot.com 
17. .EXAMPLE 
18.     Psh> Disable-GUI -Verbose 
19.     Removing Windows Feature: Server-GUI-Shell, Server-Gui-Mgmt-Infra 
20.     Setting Shell Registry setting to PowerShell 
21.     Restarting the computer - please be patient 
22.     < after reboot, full GUI is added > 
23. #> 
24.  
25. Function Disable-GUI { 
26.  
27. # No parameters - but maybe later 
28. # Turn on CmdletBinding to enable -Verbose 
29.  
30. [Cmdletbinding()] 
31. Param() 
32.  
33. # Remove features from main Server core and downgrade GUI to Server Core 
34. Write-Verbose "Removing Windows Feature: Server-GUI-Shell, Server-Gui-Mgmt-Infra" 
35. Uninstall-WindowsFeature Server-Gui-Shell, Server-Gui-Mgmt-Infra 
36.  
37. # Add in PowerShell as the shell 
38. Write-Verbose "Setting Shell Registry setting to PowerShell" 
39. $RegPath = "Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\winlogon"  
40. Set-ItemProperty -Path $RegPath -Name Shell -Value 'PowerShell.exe -noExit -Command "$psversiontable"'  -Force 
41.  
42. # Now restart the system 
43. Write-Verbose "Restarting the computer - please be patient" 
44. Restart-Computer 
45. } 

Technorati Tags: PowerShell v3,Server Core,GUI,Server 2012