I have just purchase and install a full Windows Server 2003 Standard US$999. I was trying out something, which was to have a Login GUI for Windows Server 2003. So I used the Windows Server 2003 Optimzed 1.37, and switch to NTSwitch. Post at Windows Server 2003 Optimized After switching to Workstation, I restarted it, and got the Login GUI as Windows XP Pro. It showed me this error immediately I clicked on the Administrator Login, A problem is preventing Windows from accurately checking the license for this computer. Error Code: 0X80070002 So I went to the microsoft Techical support to search for help. It started that it was a Partition error of the Imagetype. I went to registry to edit and did whatever that is stated in the Microsoft Support Website. It still turn out the same message. What can I do.... Any suggestions or expert in this. I just want to have a Windows LogIN screen in the main page only.. It quite easy rather to press Alt + Ctrl + Del, I need it so that I can configure multiple user for my grandparents and son to use, in the LogIn Screen. Cheers, Jeff