A few days back i had the challenge to convert a vSphere 7.0 U3 Cluster (which was still managed in Lifecylce Manager with Baselines –> which are finally going away after vSphere 8, btw., so it’s time to migrate, folks!) to a Single Image.
I’m not going into details about vSphere Lifecycle Manager with Single Image and/or Baselines here, there’s lot’s of other stuff to read about that on the internet.
The challenge here was that the vCenter had no connection to the internet, so all the benefits like giving me a long list of ESXi releases and Vendor Add-Ons was not the case, and I couldn’t find any advice in the documentation on how to do it “offline” and seperated from the World Wide Web.
So, let me show you how I did it.
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