The root directory of a non-removable/fixed driveĭeleted files appear as free space to the file system, which isn't encrypted by used disk space only.The recovery key can't be stored at the following locations: Save to a file - the file needs to be saved to a location that isn't on the computer itself such as a network folder or OneDrive.Save to your Azure AD account (if applicable).The recovery key can be stored using the following methods: ![]() BitLocker detects a condition that prevents it from unlocking the drive when the computer is starting upĪ recovery key can also be used to gain access to the files and folders on a removable data drive (such as an external hard drive or USB flash drive) that is encrypted using BitLocker To Go, if for some reason the password is forgotten or the computer can't access the drive.The drive that Windows is installed on (the operating system drive) is encrypted using BitLocker Drive Encryption.The recovery key can be used to gain access to the computer if: A BitLocker recovery key is a special key that is created when BitLocker Drive Encryption is turned on for the first time on each drive that is encrypted. The BitLocker Drive Encryption Wizard will prompt for a location to save the recovery key. If a TPM is available, the password screen will be skipped.Īfter the initial configuration/password screens, a recovery key will be generated. Upon passing the initial configuration, users may be prompted to enter a password for the volume, for example, if a TPM isn't available. If the volume doesn't pass the initial configuration for BitLocker, the user is presented with an error dialog describing the appropriate actions to be taken. In addition, the system must always boot with native UEFI version 2.3.1 or higher and the CSM (if any) disabled. To use a hardware encrypted drive as the boot drive, the drive must be in the uninitialized state and in the security inactive state. Hardware encrypted drive prerequisites (optional) For either firmware, the system drive partition must be at least 350 megabytes (MB) and set as the active partition. For computers with legacy BIOS firmware, at least two NTFS disk partitions, one for the system drive and one for the operating system drive. This requirement is applicable for computers that boot natively with UEFI firmware. One FAT32 partition for the system drive and one NTFS partition for the operating system drive. The firmware must be able to read from a USB flash drive during startup. ![]() The boot order must be set to start first from the hard disk, and not the USB or CD drives.A Trusted Computing Group (TCG)-compliant BIOS or UEFI firmware.The computer must meet the minimum requirements for the supported Windows versions.īitLocker is an optional feature that can be installed by Server Manager on Windows Server 2012 and later.Ī TPM isn't required for BitLocker however, only a computer with a TPM can provide the additional security of pre-startup system integrity verification and multifactor authentication. By default, the system requirements are: Requirement When the BitLocker Drive Encryption Wizard first launches, it verifies the computer meets the BitLocker system requirements for encrypting an operating system volume. Operating system volumeįor the operating system volume the BitLocker Drive Encryption Wizard presents several screens that prompt for options while it performs several actions: ![]() BitLocker Drive Encryption Wizard options vary based on volume type (operating system volume or data volume). To start encryption for a volume, select Turn on BitLocker for the appropriate drive to initialize the BitLocker Drive Encryption Wizard. Only formatted volumes with assigned drive letters will appear properly in the BitLocker control panel applet. The BitLocker control panel will organize available drives in the appropriate category based on how the device reports itself to Windows. The BitLocker control panel supports encrypting operating system, fixed data, and removable data volumes. The name of the BitLocker control panel is BitLocker Drive Encryption. For more info about using this tool, see Bdehdcfg in the Command-Line Reference.īitLocker encryption can be enabled and managed using the following methods:Įncrypting volumes using the BitLocker control panelĮncrypting volumes with the BitLocker control panel (select Start, enter Bitlocker, select Manage BitLocker) is how many users will use BitLocker.
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