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TavinHead-7729 avatar image
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TavinHead-7729 asked JarvisSun-MSFT commented

Preparing your device for mobile management fails

Hello,

We are having trouble while enrolling devices through Azure. It will get stuck at "Preparing your device for mobile management" for about half an hour until it times out, along with error code 0x800705b4. For preface, we were able to enroll dozens of devices daily without issue before this point, but this issue only started today, and the error persists on Lenovo, Dell, and Acer devices.

Fixes we have tried to no avail:
1. Setting time zone to both local area and Pacific Time.
2. TPM chip reset.
3. Disabling TPM chip.

Any help or ideas would be appreciated.

mem-intune-generalmem-intune-enrollment
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Are you using Autopilot?
Press Shift+F10 and open the Event Viewer and check log files and see if there is any clue.
There might be a problem with the Windows installer file, so very the Windows installer.

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JarvisSun-MSFT avatar image
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JarvisSun-MSFT answered

@TavinHead-7729Thanks for posting in our Q&A.
For our issue, we can try Michael Niehaus's script to see the information about what went on during our Autopilot provisioning process. check the event in the process to see if there's any finding.
https://oofhours.com/2020/07/12/windows-autopilot-diagnostics-digging-deeper/
Note: Non-Microsoft link, just for the reference.




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TavinHead-7729 avatar image
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TavinHead-7729 answered

@JarvisSun-MSFT Here is the output from the script. Sorry for the delay, but it seems we were unable to download NuGet at the main site, but download it on another network.

117983-microsoftteams-image.png



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TavinHead-7729 avatar image
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TavinHead-7729 answered JarvisSun-MSFT commented

And now that we are on another network, we are able to get past the mobile management step and fully setup the computer, so we are being affected by something on that network, maybe firewall the firewall, but we have not been able to diagnose the difference. And it is still especially odd because we were able to re-image fine on the same ports the previous day.

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Glad to hear that our problem has a temporary solution, it seems to be caused by the network, and may need to be checked. If there is anything we can help, please feel free to let us know.

Best Regards
Jarvis

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