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TPM Attestation Autopilot Issue

KBH-Ins 30 Reputation points
2023-09-04T15:07:30.7466667+00:00

Good Afternoon All,

I have been trying to put some devices through the autopilot process, but keep getting an error of TPM Attestation Failed. Error: 0x80280009

How do I fix this please, the laptops are all Dell devices, it keeps happening every time, I remove device from Azure/Endpoint and reload it and it still keeps doing it, I have 12 devices with this issue, all Dells, but different models.

Windows Autopilot
Windows Autopilot
A collection of Microsoft technologies used to set up and pre-configure new devices and to reset, repurpose, and recover devices.
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  1. Anonymous
    2023-09-15T13:23:40.8+00:00

    Maybe this helps? We have the same issue at our company.
    It's a long read, but it's different from all the other posts about an issue like this.
    https://www.dell.com/support/kbdoc/en-us/000103639/how-to-troubleshoot-and-resolve-common-issues-with-tpm-and-bitlocker

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