To start an upgrade on a computer running Windows Server 2003 (without SP1)

To start an upgrade on a computer running Windows Server 2003 (without SP1)

1. 
   Apply SP1 to your current version of Windows Server 2003.
   
2. 
   Insert the second CD, which contains the components specific to Windows Server 2003 R2 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.
  
• 
  Before upgrading your current version of Windows Server 2003 to Windows Server 2003 R2, you must apply SP1 to that version. Otherwise, when you insert the second CD, the following error message is displayed: