Monday, April 1, 2019

VMware Workstation and Device/Credential Guard are not compatible

Each year or so, or after a big Windows update I can't launch VMWare Workstation due to the error in this post's title. And each time this happens I can't remember what I did last time to fix it, so I run some searches and find dozens of variations of ridiculously complicated answers that I remember DO NOT work. Changing Device Guard policy seemed sensible but it didn't work for me. Just run this command as admin:

bcdedit /set hypervisorlaunchtype off

Then reboot. This seems to have no ill effects. I don't use Hyper-V on my work computer, and it doesn't interfere with development of UWP apps (which used to need Hyper-V installed).

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