FVE_E_FIPS_DISABLE_PROTECTION_NOT_ALLOWED: meaning and diagnosis

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The Group Policy setting requiring FIPS compliance prohibits the use of unencrypted keys, which prevents BitLocker from being suspended on this drive. Please contact your domain administrator for more information.

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FVE_E_AUTH_INVALID_CONFIG	FVE_E_FS_NOT_EXTENDED

FVE_E_FIPS_DISABLE_PROTECTION_NOT_ALLOWED

The failed prerequisite

FVE_E_FIPS_DISABLE_PROTECTION_NOT_ALLOWED / 0x80310046 marks a rejected BitLocker transition: suspending BitLocker would place an unencrypted clear key on disk, which the effective FIPS policy forbids.

FIPS mode does not translate into “turn encryption off.” It constrains algorithms and key-handling paths, so the correct remedy is to select a permitted protector and escrow design.

Diagnostic map

Layer	FIPS-restricted key management
Proof to collect	FIPS policy, protection status, requested reboot count, firmware-maintenance plan and the protector set protecting the volume
Different condition	decrypting a volume or disabling a key protector for an ordinary maintenance window without FIPS restrictions
First safe change	use a maintenance method that keeps protection active or coordinate an approved policy exception instead of forcing suspension

FIPS-restricted operation changes which protector, export and key-derivation paths BitLocker may use. The volume encryption algorithm and the protector workflow are separate layers, so a FIPS-related HRESULT should be traced to the exact protector or key-management call.

A focused verification sequence

Recommended operational response

Use a maintenance method that keeps protection active or coordinate an approved policy exception instead of forcing suspension.

manage-bde -protectors -get C:
gpresult /h bitlocker-policy.html

State checks specific to FVE_E_FIPS_DISABLE_PROTECTION_NOT_ALLOWED

Stage	How to interpret it
Before the call	Record the target identity and the pre-call FIPS-restricted key management state. Suspending BitLocker would place an unencrypted clear key on disk, which the effective FIPS policy forbids.
At failure	Preserve FIPS policy, protection status, requested reboot count, firmware-maintenance plan and the protector set protecting the volume.

Official references

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