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Failed to locate kickstart on Nested ESXi VM CD-ROM in VCF 9.0

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If you are automating the installation of ESXi using a scripted installation (aka Kickstart) and the KS.CFG is located on a CD-ROM device and you happen to be using a Nested ESXi VM and see the following message:

cannot find kickstart file on cd-rom with path -- /KS.CFG


You are probably using an IDE-based controller for the CD-ROM device, which the underlying IDE driver for ESXi has been removed as part of VMware Cloud Foundation (VCF) 9.0.


The fix is to simply remove the IDE controller and use a SATA controller and things will work as expected!

VCF 9.0 Installer workaround for ESXi hosts with different vendor

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If you are using ESXi hosts that have mixed hardware vendors, the VCF 9.0 Installer will throw the following error as shown in the screenshot below:

ESX Hosts don't have the same vendor. vLCM is not supported on ESX Hosts with different vendor. Found vendors are: [micro computer (hk) tech limited. gmktec]


The reason as outlined is that vSphere Lifecycle Manager (vLCM) does not support heterogeneous hardware vendors when it attempts to construct the vLCM Image Profile for the vSphere Cluster that is for your VCF Management Domain.

With that said, for lab purposes there is a workaround ...

In fact, this was something I had shared a while back which is the ability to simulate custom ESXi SMBIOS strings and I just recalled the solution because I wanted to test something out but unfourntately, my ESXi hosts were from two different hardware vendors.

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vSAN ESA Disk & HCL workaround for VCF 9.0

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vSAN ESA (Express Storage Architecture) has become the preferred architecture when deploying VMware Cloud Foundation (VCF). For those interested in exploring vSAN ESA with VMware Cloud Foundation (VCF) 9.0 but may not have compatible hardware from the vSAN ESA HCL, there are a couple of workarounds that you might want to be aware of.

UPDATE (09/29/25) - As of VCF 9.0.1, you no longer need to deploy the vSAN ESA Hardware Mock VIB, please see this blog post for more details which will allow you to easily bypass this check directly within the VCF Installer.

Disclaimer: This is not officially supported by Broadcom, please use at your own risk. For production deployments, you should be using supported vSAN ESA Hardware which you can refer to Broadcom Compatibility Guide (BCG)

There are potentially two scenarios you may come across when using vSAN ESA to deploy your initial and/or extending your VCF Fleet.

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