5-4 Installing the Operating System with Express SetupMicrosoft Windows Server 2003This subsection provides information on installing Microsoft® Windows® Server 2003 StandardEdition / Enterprise Edition in the Server. Read instruction in this section before proceeding theinstallation.NOTE: If you install Windows Server 2003 without using ExpressSetup, see Appendix D.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 Server 2003Enterprise Edition (hereinafter, referred to as "Windows Server 2003")On installing other OS, contact sales dealer or the maintenance service representative.Installing Optional Mass Storage DriverTo install optional mass storage driver, see "Installing Optional Mass Storage Driver" of"Configuration Diskette Creator" in Chapter 6 to create setup inf file.BIOS SpecificationBefore installing Windows Server 2003, confirm if the BIOS specification of the hardware is correct.See Chapter 4 to specify them.NEC ESMPRO AgentOn Windows Server 2003 systems, the ESMPRO Agent needs the necras.sys driver. To install thenecras.sys, run the System update from NEC EXPRESSBUILDER CD-ROM.