What does Windows error code 4429 (ERROR_SECUREBOOT_POLICY_MISSING_ANTIROLLBACKVERSION) mean?

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: The Secure Boot policy is missing the anti-rollback version metadata required by the device.

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ERROR_SECUREBOOT_POLICY_UNKNOWN	ERROR_SECUREBOOT_PLATFORM_ID_MISMATCH

ERROR_SECUREBOOT_POLICY_MISSING_ANTIROLLBACKVERSION

ERROR_SECUREBOOT_POLICY_MISSING_ANTIROLLBACKVERSION (LRESULT 0x0000114D) This Win32 error means the Secure Boot policy does not contain the anti-rollback version required by the device.

What to check

Obtain a rebuilt or corrected policy from the authority that signs and publishes it.
Verify the version sequence used by the policy release process before deploying it again.
Do not attempt to work around the check by reinstalling an older policy or changing protected UEFI variables manually.

Read-only checks

Get-SecureBootPolicy | Format-List

The problem is in the policy package itself rather than the current UEFI setting. Replace the package with a correctly generated, signed release that contains the required anti-rollback metadata.

Microsoft: Get-SecureBootPolicy

Microsoft: Set-SecureBootUEFI

Microsoft: Secure Boot

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