While the Secure Boot option itself is designed to prevent malware to take over the device during the boot time and blocking programs without valid signatures to run, it seems to backfire on some users. One Reddit user says that they’re not able to boot the VM until Secure Boot is disabled in the VM options, while others even lost a server to this issue. Microsoft says there’s currently no fix to this issue, but there are still a few workarounds to be done to prevent it.

How to prevent VM not booting after Windows update?

1. Disable secure boot.

2. Download vSphere ESXi 8.0 & upgrade.

  1. Go to VMWare‘s website and click Customers Connect.
  2. Enter your email and password, then hit Sign In.
  3. Once open, go to VMware vSphere Hypervisor (ESXi) Download Center. Make sure to select 8.0 on the dropdown.
  4. Depending on the plan, there are a few options to choose. Here, we chose the Standard edition ➔ Go to Downloads.
  5. If you have purchased the software, you should be able to see Download Now enabled. If not, there’s an option to Download Trial. Has this issue impacted your organization? Let us know in the comments!

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