Installing the Operating System with Express Setup 5-3Microsoft Windows Server 2003This subsection provides information on installing Microsoft® Windows Server 2003 in theServer. Read instruction in this section before proceeding the installation.NOTES: Express Setup does not support the installation of Windows Server2003 x64 Editions. If you want to install it, see Appendix D. If you install Windows Server 2003 without using Express Setup,see Appendix E.Installation NoticeThis section explains precautions and matters you should be aware of before beginning installationin order to install Windows Server 2003 correctly.Supported OS on this modelThe server supports the following edition: Microsoft Windows Server 2003 R2 Standard Edition / Microsoft Windows Server 2003R2 Enterprise Edition / Microsoft Windows Server 2003 Standard Edition / MicrosoftWindows Server 2003 Enterprise Edition (hereinafter, referred to as "Windows Server2003")On installing other OS, contact sales dealer or the maintenance service representative.BIOS SettingsBefore installing Windows Server 2003, confirm if the BIOS settings are correct.See Chapter 4 to confirm the settings.NEC ESMPRO AgentNEC ESMPRO Agent requires to install the necras.sys driver on your Windows system.If you install the Windows without using the Express Setup, run the "Update Express5800 system"in Master Control Menu.