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Create a Custom ESXi ISO Image Using VMware PowerCLI

You can use VMware Power CLI to create a custom ISO.
VMware PowerCLI 12.0 or later.
  1. Gather the required information for the software spec that is used to create the custom ISO.
    1. In VMware PowerCLI, use the cmdlet to get the base image version from the zip file for the ESXi patch that you downloaded from the patches portal.
      For example:
      Get-DepotBaseImages “c:\temp\VMware-ESXi-7.0U1d-17551050-depot.zip”
    2. Use the cmdlet to get the add-on name and version from the zip file for the OEM add-on for ESXi that you downloaded from VMware Customer Connect. (if applicable)
      For example:
      Get-DepotAddons “c:\temp\HPE-701.0.0.10.6.5.12-Jan2021-Synergy-Addon-depot.zip”
  2. Create the software spec using the information you gathered in step 1.
    The software spec is a JSON file that contains information about the ESXi version and vendor add-on (if applicable). For example:
    {
    "add_on": {
        "name": "HPE-Custom-Syn-AddOn",
        "version": "701.0.0.10.6.5-12"
    },
    "base_image": {
        "version": "7.0.1-0.30.17551050"
    },
    "components": null,
    "hardware_support": null,
    "solutions": null
}
  3. In VMware PowerCLI, use the
    New-IsoImage
     cmdlet to generate a custom ISO.
    For example:
    New-IsoImage -SoftwareSpec “c:\temp\HPE-70U1d-custom.JSON”  -Depots “c:\temp\VMware-ESXi-7.0U1d-17551050-depot.zip” , “c:\temp\HPE-701.0.0.10.6.5.12-Jan2021-Synergy-Addon-depot.zip” -Destination “c:\temp\HPE-70U1d-custom.iso”
    Provide the path to the software spec you created in step 2.
    The depot(s) include the path to the zip files for the supported ESXi version and vendor add-on.
    The destination include the path and file name for the custom ISO file.
    For more information about the
    New-IsoImage
     cmdlet, see https://code.vmware.com/docs/11794/cmdletreference//doc/New-IsoImage.html.

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