8-22 TroubleshootingProblems with Windows Server 2003The system displays the message below and fails to log on.Windows Product ActivationThis copy of Windows must be activated with Microsoft before you cancontinue. You cannot log on until you activate Windows.To shut down the computer, click Cancel.YES NO Cancel→ In Windows Server 2003, the above message will be displayed if you use theoperating system without executing the license authentication. Select "Yes", andexecute the procedure for license authentication.Cannot install the operating system correctly.T Did you confirm the notes on installing the operating system?→ See Chapter 6.During installation, the following warning is registered in the System Log of theEvent Viewer:Error detected on the device \Device\CdRom0during the paging operation.→ There is no problem on this issue.Fail to start the OS:T Is a floppy disk in the floppy disk drive?→ Take out the floppy disk and restart the server.T Is the NEC EXPRESSBUILDER CD-ROM in the DVD-ROM drive?→ Take out the NEC EXPRESSBUILDER CD-ROM and restart the server.T Is the OS broken?→ Use recovery process to recover the system.The OS presents unstable operation:T Did you update the system?→ Installing a network drive after installation of the OS may cause unstableoperation. Use the NEC EXPRESSBUILDER CD-ROM to update the system.(See Chapter 6.)