To start an upgrade on a computer running Windows Server 2003 with SP1

To start an upgrade on a computer running Microsoft Windows NT Server 4.0 or Microsoft Windows 2000 Server

1. 
   You can also upgrade to Windows Server 2003 R2 from the following operating systems:
   
   • 
     Windows NT® Server 4.0 with Service Pack 5 or later
     
   • 
     Windows NT Server 4.0, Terminal Server Edition, with Service Pack 5 or later
     
   • 
     Windows 2000 Server
     
2. 
   Insert the first CD in the drive, and wait for Setup to display a dialog box.
   
3. 
   Follow the Setup instructions.
   

When you are prompted to enter the product key, be sure to enter the product key that comes with the two installation CDs included in the Windows Server 2003 R2 release package.

4. 
   After Setup for Windows Server 2003 with SP1 is complete, log on to the computer with your administrator password. You are prompted to insert the second CD.
   
5. 
   Follow the Setup instructions.