Tag Archives: template

How to downgrade VMware ESXi 5.1 virtual machine hardware to version 7 (from 8)


So here we are, lovely Thursday morning at work and requirement for new VM comes up – I’m thinking not a big deal since I have deployed thousands of VMs before but there is a catch this time (there always is!) All of my Windows Server templates are virtual machine HW version 8 and I need to deploy one server to ESXi 4.1 host – great! ESXi 4.1 uses HW version 7 at the most so HW version 8 will not work – if you attempt to add HW version 8 to the inventory on ESXi 4.1 host you will be met by the following outcome:

VM adds fine and without any errors but its grayed out and with invalid status. Not much you can do here apart from removing it from the inventory.


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Converting template to a VM fails on “This Host or Cluster is not Valid Selection”


So here I am, sitting at 10PM converting templates (.vmtx) to VMs (.vmx) – nothing simpler to do right? Wrong! It fails on “This Host or Cluster is not Valid Selection” as soon as you click next on cluster selection… Great, just great. Exactly what I wanted before heading off to bed.. Here is the error:


And the solution (as usual, very simple) is to manually remove any entries to .iso files referenced in .vmtx file. I had one to volume where the .iso used to sit that was no longer connected as storage to my ESXi host:


Now you can happily click your favorite ‘Next’ button just to see it completing without problems.

Life is awesome!