Windows-itpro-docs: TPM 2.0

Created on 18 Dec 2018  Â·  19Comments  Â·  Source: MicrosoftDocs/windows-itpro-docs

I have a modern enterprise device - Lenovo M920p - with TPM 2.0, but am getting "Securing your hardware (Failed: 0x800705b4)" while testing autopilot in self deploy mode. I am using 1809 Enterprise. Any ideas ?


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We found the issue. It was regarding the image the 3rd party had created. Don't know what the problem was, but after system reset and recreating the image the problem was gone.

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Some further event logs now - Event 176 - MSA TPM keystate has been updated. New server state = 3, new client state = 6, followed by 152, 182, 150, 183, and finally 177 'TPM attestation retry is being attempted. Current retry attempt 3 of 3 maximum'. This is a modern TPM 2.0 device as stated.

As this is modern hardware and I don't see the explicit TPM failure event , am I missing anything on the configuration side of things? Or is there a 'TPM prep' I could perform?

I have now tried it on another piece of hardware - T450s with TPM 2.0 enabled - same time out issues.

Update: also tested Surface Laptop, timed out. I re-downloaded the ISO media for 1809, and re-created my offline JSON file (I am testing with an Offline JSON, as well as traditional 'online' hardware hash), and still run into this issue.
untitled

As you can see this device does support TPM 2.0.

I am getting the same thing with a HP 430 G5 with TPM 2.0

I try Autopilot Self Deploy with a Lenovo M920s and a HP EliteDesk 800 G4. I found:

  • When I do a clean reinstall with the VLSC ISO 1809, Windows reports that the security chip does not support "Attestation" (see screenshot). If I understand correctly, this TPM feature must be supported for Self Deploy to work. security-chip
  • When I reset the PCs to Lenovo / HP factory image (Win 10 1803), that same Attestation feature is supported. (Of course, 1803 does not support Self Deploy, thats why I must clean install 1809.)

So in my situation, the question is: how can I have TPM Attestation supported in clean install 1809? Do I need to install a special driver or Windows component? Or somehow prepare the TPM with keys that match for Win 1809?

anything?

Let us hope @greg-lindsay will find time to reply soon, unless something keeps him too occupied elsewhere.

Have you contacted HP or Lenovo?

I was away for 2 weeks, no progress so far. I have not yet contacted HP or Lenovo, will try. @Niglb @rlawrimore do you also see the Attestation feature disabled on your devices, after install of 1809?

Mine shows as Attestation Ready:
capture

I have the same issue on a Lenovo X1 Carbon. Updated to 1809 via Windows Update and attestation is shown as Ready, but autopilot deployment fails with 0x800705b4 after a computer reset. Unfortunately I don't have access to a VLSC image, so can't test that.

Possible solution

After some back and forth with the InTune support (which was wildly unhelpful fwiw) I realised that I had set up a bunch of Bitlocker settings that were only supported on Win10 Enterprise, not on Pro. After re-creating my deployment profile with only the settings that are supported by Pro I was able to complete the deployment as intended. If anyone wants to know what exact settings I'm using, LMK.

TL:DR deployment profile contained Enterprise only settings, computer was running Pro

EDIT: Having the same issue with a Dell XPS, difference is I can't get it to work. Already wasted a whole day on this, and user-driven deploy works so I'll be using that until self-deploy is out of preview and hopefully working.

hi, we are running a self-deployment profile. We got an image from our vendor. When we run the image with the imported hardwarehash and serialnumber we got an error "AutoPilot Registering your device for mobile manamgement (Failed: 3, 0x801c03ea".

When i the reset the system (remove the device from aad and import it again in devices) the self-deployment works fine.

Anyone an idea?

Although I don't work with this technology these days, I will hazard a guess that it could be some kind of cache or synchronization issue.

We found the issue. It was regarding the image the 3rd party had created. Don't know what the problem was, but after system reset and recreating the image the problem was gone.

I had the same issue, when we upgraded a machine from 1803 to 1809 it doesn't work. If you fresh install 1809, it does work.

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