Unable to create new VMs @ HW version 18 with PowerCLI 12.4.1 and VC/ESXi 7.0.3

[Pernas01]

Hi!

Run into a small issue today after we decided to create our new VMs in a VC/ESXi 7.0.3 env @ HW version 18 instead of the new default version 19;

new-vm -Version v18..... doesn't work since it complains about only v4,v7,v8,v9,v10,v11,v12,v13 and v14 supported

new-vm -HardwareVersion v18..... complains about virtual machine version is not compatible with the version of the host...(which is a 7.0.3 btw)

Is there a way to automate this for now?

Thanks in advance,

 Per

[LucD]

You can create the VM with the default HW version, and then change the HW version with the API method.
See for example Re: Script to change Guest OS and version - VMware Technology Network VMTN

[Pernas01]

Ok, I've already tried that too, $vm.Extensiondata.UpgradeVM('vmx-18') gives "Virtual machine compatibility is already up-to-date"

which makes sense I guess since it's a version 19 VM...

Anything else I could try?

[Pernas01]

Ok, found another way - a bit dirty possibly - if I create the VM @ HW version 14 and the perform the $vm.Extensiondata.UpgradeVM('vmx-18') it works, would that cause any side effects?

[LucD]

Not that I know of.
That was in fact my other option, since I don't think you can downgrade the HW version

[Pernas01]

Ok thanks and I hope this gets possible in the future.

[LucD]

Normally they update the possible values with the next PowerCLI release.