Hardening error on Dell model 5490 - Windows 10 - Enterprise x64 - 1809

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JeffDey
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Joined: 22. Jul 2019, 04:11

Hardening error on Dell model 5490 - Windows 10 - Enterprise x64 - 1809

Post by JeffDey »

We are installing Windows 10 Build 1809 Enterprise from a DVD, completly offline. Once done, VirtualBox 6.0.10 is installed from a USB key, and Vagrant to run the box Hashicorp/Precise64 as a proof of concept. We constantly get an hardening error on Dell 5490. Tested with 4 different laptop, all the same Dell 5490 model.

There is no other software installed. No antivirus, no Hyper-V enabled.

Pretty sure that all the settings of the BIOS have been flipped on and off again. We had this setup working only 1 time on a Dell 5490, and it didn't last the afternoon before getting the same hardening error.

If I use a factory fresh Dell 5490, keeping the Windows 10 "home" version and all the softwares that comes with it, it works.

On another model of computer, a not-a-Dell but a custom build PC, this setup work flawlessly.

At this point, we spent about 3 weeks of works to find the issue. I should have asked on forums before, but here we are. At the moment, I've wipped out one the laptop, and doing again a fresh install of this setup to get logs and screens captures of the issue. I'll be able to provide them later.

Any ideas?
scottgus1
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Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
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Re: Hardening error on Dell model 5490 - Windows 10 - Enterprise x64 - 1809

Post by scottgus1 »

Vagrant changes things about Virtualbox that we on the forums don't know about. You would need to remove anything related to Vagrant, and install the official Virtualbox from http://www.virtualbox.org. Then if you get any errors, post the exact error message you get, and zipped logs mentioned by the error message using the forum's Upload Attachment tab.
JeffDey
Posts: 3
Joined: 22. Jul 2019, 04:11

Re: Hardening error on Dell model 5490 - Windows 10 - Enterprise x64 - 1809

Post by JeffDey »

We've have imported a known working box in VirtualBox, on a host where Vagrant was never installed. This time, the machine works, at least, we got a blinking cursor and the VM doesn't hangs.

I understand about Vagrant doing lots of things. I've then asked the same question on their discussion group. I'll update this post if ever there is a solution.
JeffDey
Posts: 3
Joined: 22. Jul 2019, 04:11

Re: Hardening error on Dell model 5490 - Windows 10 - Enterprise x64 - 1809

Post by JeffDey »

We've found the solution today, thanks to this post: https://superuser.com/questions/1153470 ... ed-in-bios

Running the Readiness tool, and disabling the Application Guard, the Credential Guard and Device Guard did the trick.
https://www.microsoft.com/en-us/downloa ... x?id=53337

We also disabled the Core Isolation trought a registry edit, since the GUI seems buggy in Windows 10 - 1809:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\DeviceGuard\Scenarios\HypervisorEnforcedCodeIntegrity

Enabled DWORD = 0
HVCIMATRequired DWORD = 0
Locked DWORD = 0
socratis
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Joined: 22. Oct 2010, 11:03
Primary OS: Mac OS X other
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Location: Greece

Re: Hardening error on Dell model 5490 - Windows 10 - Enterprise x64 - 1809

Post by socratis »

JeffDey wrote:We've found the solution today, thanks to this post
We sort of have those questions already answered in the FAQ "I have a 64bit host, but can't install 64bit guests"... ;)
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