[Updated 4-Sep-2021] Shortly after learning VMware Horizon, I used Update Manager to apply VMware updates to my cluster. I was shocked when my hosts would never enter Maintenance Mode. I asked a question on Twitter about this issue, and a friend directed me to look at https://kb.vmware.com/s/article/2144808. That KB article explains the process to follow … Continue reading Learning the Basics of VMware Horizon 7.12 – Part 12 – Using Update Manager with Instant Clones and Creating Additional Machines