ERROR_SECUREBOOT_PLATFORM_ID_MISMATCH: meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The platform ID in the Secure Boot policy does not match the platform ID of this device.

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ERROR_SECUREBOOT_POLICY_MISSING_ANTIROLLBACKVERSION	ERROR_SECUREBOOT_POLICY_ROLLBACK_DETECTED

ERROR_SECUREBOOT_PLATFORM_ID_MISMATCH

ERROR_SECUREBOOT_PLATFORM_ID_MISMATCH (LRESULT 0x0000114E) This Win32 error means the platform ID embedded in the Secure Boot policy does not match this device.

What to check

Verify that the policy was generated for the correct hardware or platform group.
Do not reuse policy artifacts across unrelated device families merely because their Windows versions match.
Obtain the platform-specific policy package from the device-management or OEM process.

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.

Microsoft: Get-SecureBootPolicy

Microsoft: Get-SecureBootUEFI

Microsoft: Secure Boot

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