6.5.1

Table Of Contents
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The default installation or upgrade script (ks.cfg) or a custom installation or upgrade script is
accessible to the system. See About Installation and Upgrade Scripts.
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You have selected a boot command to run the scripted installation or upgrade. See Enter Boot
Options to Start an Installation or Upgrade Script. For a complete list of boot commands, see Boot
Options.
Procedure
1 Boot the ESXi installer from the local CD-ROM or DVD-ROM drive.
2 When the ESXi installer window appears, press Shift+O to edit boot options.
3 Type a boot option that calls the default installation or upgrade script or an installation or upgrade
script file that you created.
The boot option has the form ks=.
4 Press Enter.
The installation, upgrade, or migration runs, using the options that you specified.
Install or Upgrade ESXi from a USB Flash Drive by Using a Script
You can install or upgrade ESXi from a USB flash drive by using a script that specifies the installation or
upgrade options.
Supported boot options are listed in Boot Options.
Prerequisites
Before running the scripted installation or upgrade, verify that the following prerequisites are met:
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The system that you are installing or upgrading to ESXi meets the hardware requirements for the
installation or upgrade. See ESXi Hardware Requirements.
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You have the ESXi installer ISO on a bootable USB flash drive. See Format a USB Flash Drive to
Boot the ESXi Installation or Upgrade.
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The default installation or upgrade script (ks.cfg) or a custom installation or upgrade script is
accessible to the system. See About Installation and Upgrade Scripts.
vSphere Installation and Setup
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