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FVE_E_DE_VOLUME_OPTED_OUT
Read this as a state-machine result
FVE_E_DE_VOLUME_OPTED_OUT is a BitLocker facility HRESULT, not a Win32 filesystem error wrapped by an application. In this case the specific volume carries an opt-out from automatic Device Encryption management.
Automatic Device Encryption is a provisioning and compliance workflow layered on BitLocker. It evaluates platform eligibility, account-backed recovery escrow, all applicable fixed volumes and protection state; failure of Auto-DE does not automatically mean manual BitLocker is unavailable.
What the code does not prove
The closest misleading interpretation is an unsupported volume that could never participate; opt-out is an explicit state or policy decision. Verify the returning method and state transition before assigning the incident to disk corruption, TPM failure or bad credentials.
Inspect the target, not just the message
- Record volume opt-out flag, provisioning history, management policy, volume identity and any OEM/deployment customization.
Automatic Device Encryption has stricter end-to-end prerequisites than manual BitLocker. An Auto-DE HRESULT should be reported with the device-encryption support reason and account/escrow state.
msinfo32.exe
powershell -NoProfile -Command "Get-BitLockerVolume | Format-Table MountPoint,VolumeType,VolumeStatus,ProtectionStatus"State checks specific to FVE_E_DE_VOLUME_OPTED_OUT
| Stage | How to interpret it |
|---|---|
| Before the call | Record the target identity and the pre-call automatic Device Encryption state. The specific volume carries an opt-out from automatic Device Encryption management. |
| At failure | Preserve volume opt-out flag, provisioning history, management policy, volume identity and any OEM/deployment customization. |
| After correction | Remove the opt-out only through the supported management workflow after confirming the volume should be automatically managed. |
References
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