What does NTSTATUS 0xC043000B (STATUS_SECUREBOOT_PLATFORM_ID_MISMATCH) mean?

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Description:

The platform ID in the Secure Boot policy does not match the platform ID of this device.

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STATUS_SECUREBOOT_PLATFORM_ID_MISMATCH

STATUS_SECUREBOOT_PLATFORM_ID_MISMATCH (NTSTATUS 0xC043000B) This NTSTATUS value reports that the policy platform ID does not match the current device.

What to check

Verify the target hardware or platform group for the policy package.
Avoid reusing policy artifacts across device families.
Obtain a policy built for this platform.

Read-only checks

Get-SecureBootPolicy | Format-List

Get-SecureBootUEFI -Name PK | Format-List

A policy for another hardware family can be correctly signed and still fail this check. Verify the device group or platform identifier used when the package was generated, then deploy the matching policy.

Do not override this check by re-signing the same policy. The policy must be built for the target platform identity, so verify device targeting and package-selection logic before another deployment attempt.

Microsoft: Confirm-SecureBootUEFI

Microsoft: Get-SecureBootPolicy

Microsoft: Viewing Code Integrity events

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