Installing Windows Server 2003 E-21About Windows ActivationWindows Server 2003 must be activated before you can use Windows Server 2003.Windows activation process is as follows.NOTE: When you use Windows Server 2003 R2, activation process isnot needed.1. Click [Run] on [Start] menu.Type as follows in the [Open:] box, and click [OK].oobe/msoobe /a2. When the screen as follows is displayed, click [Next].