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I think I have the same issue last week. Do you use fslogix?

We don’t use FSLogix. VMware DEM (Flex) But it’s happening even with a local profile. Profile Management is not the matter.

Do you use applocker? We had similar symptoms with applocker on server is and had to adjust our applocker policy

No Applocker. If there „would“ be any other restriction it wouldn’t start working after the reboot.

not using app layering? What about any other security agents? Does sound kinda 'hook' related. you double checked the UVI/CTXhook reg keys are the same in the master and on the booted VDAs? I'd keep the thought that a reboot fixes it, think thats the key in troubleshooting/solving. Anything happening on that first boot, webview getting updated? other scheduled tasks?

Hey Steve! 🙂 No AL. No security agents. We striped it down to VDA and PVS only. It’s happening over the VM console as well. This eliminates UVI hooks.

what if you put the VDAs in the master OU, or another block inheritence OU? Does it happen to local profiles too?

Yes. Local Profile, No GPOs -> Issue persists Machine is not moved during/after installation

you tried no PVS, what about no VDA?

I can test it. But to be honest: What should the VDA break? This seems to be the only environment affected worldwide.

need to find root cause, and to do that, we need to isolate components.

broken start menu used to be a common issue with corrupt profiles. Does it happen wtih both local and domain account and after clearing local profile? That wouldnt explain Edge killing the machine though...

It happens with the local administrator which never has been logged into the machine before (deployment is automated). Fresh profile.

and the local admin account still uses teh vmware dex profiles? Can that be circumvented?

For the record: It’s happening without VDA as well.

is windows built from scratch in your deployment, like laid down from an ISO or something similar?

We always build from scratch with a vanilla MS ISO. The iso is untouched since a long time. We apply the latest updates during the staging.

think you could obtain or build out separately an ISO that already has the patches baked in?

Could be worth trying. Will give you feedback on this. But it would not explain why the master is working and MCS targets having no issues.

thought you said it happens without PVS too

Yes but only when you capture a vhdx… This seams to break something.

yeah, def not an easy one

MS Support is the worst I have experienced in a long time. This will take years ☹️ I will give it a shot with a newer ISO. One of the later 1912 versions, don’t know the exact build for the moment. We have tried P2VS, Imaging Wizard, Disk2VHD -> it’s always the same problem.