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It's time for our third Ask Microsoft Anything (AMA) about updating Secure Boot certificates on your Windows devices before they expire in June of 2026. If you've already bookmarked Secure Boot playb...
Pearl-Angeles
Updated Mar 11, 2026
AMA
COLDESTJOHN's avatar
COLDESTJOHN
Copper Contributor
Mar 12, 2026

What version of ESXi are you running?

there’s a article from Broadcom that you need to power down the vm and rename/remove NVRAM en then boot vm again. After that you will see this error disappear. Here’s the article : 

https://knowledge.broadcom.com/external/article/415333/error-unable-to-upgrade-a-vm-due-to-boot.html

jeddunn's avatar
jeddunn
Copper Contributor
Mar 12, 2026

We are on ESXI 8.0.3