5-4 Installing the Operating System with Express SetupMicrosoft Windows Server 2003This subsection provides information on installing Microsoft® Windows® Server 2003 in the server.Read instruction in this section before proceeding the installation.IMPORTANT: When using Windows Server 2003 with thisequipment, surely apply ServicePack 1.NOTES: Express Setup does not support the installation of Windows Serverx64 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 Standard Edition / Microsoft® Windows® Server2003 Enterprise Edition (hereinafter, referred to as "Windows Server 2003") Microsoft® Windows® Server 2003 R2 Standard Edition / Microsoft® Windows® Server2003 R2 Enterprise Edition (hereinafter, referred to as "Windows Server 2003")On installing other OS, contact sales dealer or the maintenance service representative.BIOS SpecificationBefore installing Windows Server 2003, confirm if the BIOS specification of the hardware is correct.See Chapter 4 to specify them.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 the System in MasterControl Menu.