Policy

Enforce drive encryption type on fixed data drives

Windows 11 25H2

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Policy overview

Key metadata and intent for this policy.

ClassComputer
CategoryWindows Components > BitLocker Drive Encryption > Fixed Data Drives
Supported onAt least Windows Server 2012 or Windows 8

Supported OS tags: Windows8, WindowsServer2012

This policy setting allows you to configure the encryption type used by BitLocker Drive Encryption. This policy setting is applied when you turn on BitLocker. Changing the encryption type has no effect if the drive is already encrypted or if encryption is in progress. Choose full encryption to require that the entire drive be encrypted when BitLocker is turned on. Choose used space only encryption to require that only the portion of the drive used to store data is encrypted when BitLocker is turned on. If you enable this policy setting the encryption type that BitLocker will use to encrypt drives is defined by this policy and the encryption type option will not be presented in the BitLocker setup wizard. If you disable or do not configure this policy setting, the BitLocker setup wizard will ask the user to select the encryption type before turning on BitLocker.

Internal name
FDVEncryptionType_Name
Policy ID
89d392fb98da
Elements
1

Registry values

How enabled and disabled states update the registry.

No explicit registry values are set for enabled or disabled states.

Policy elements

Inputs and configuration options exposed by this policy.

ElementTypeRegistry mappingConstraints & behavior
Select the encryption type:
ID FDVEncryptionTypeDropDown_Name
enum
HKLM\SOFTWARE\Policies\Microsoft\FVE\FDVEncryptionType
Type REG_DWORD
Options: Allow user to choose (default) (0), Full encryption (1), Used Space Only encryption (2)

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