You can quickly deploy ESXi hosts by using scripted, unattended installations or upgrades. Scripted installations or upgrades provide an efficient way to deploy multiple hosts.
The installation or upgrade script contains the installation settings for ESXi. You can apply the script to all hosts that you want to have a similar configuration.
For a scripted installation or upgrade, you must use the supported commands to create a script. You can edit the script to change settings that are unique for each host.
The installation or upgrade script can reside in one of the following locations:
USB flash drive