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xBitlocker

The xBitlocker module is a part of the Windows PowerShell Desired State Configuration (DSC) Resource Kit, which is a collection of DSC Resources produced by the PowerShell Team. This module contains the xBLAutoBitlocker, xBLBitlocker, xBLTpm resources. This DSC Module allows you to configure Bitlocker on a single disk, configure a TPM chip, or automatically enable Bitlocker on multiple disks.

Contributing

Please check out common DSC Resources contributing guidelines.

Installation

To install xBitlocker module

  • Unzip the content under $env:ProgramFiles\WindowsPowerShell\Modules folder

To confirm installation:

  • Run Get-DSCResource to see that xBLAutoBitlocker, xBLBitlocker, xBLTpm are among the DSC Resources listed

Requirements

This module requires that both the 'Bitlocker' and 'RSAT-Feature-Tools-Bitlocker' features are installed. It also requires the latest version of PowerShell (v4.0, which ships in Windows 8.1 or Windows Server 2012R2). To easily use PowerShell 4.0 on older operating systems, install WMF 4.0. Please read the installation instructions that are present on both the download page and the release notes for WMF 4.0.

Description

The **xBitlocker ** module contains the xBLAutoBitlocker, xBLBitlocker, xBLTpm DSC Resources. This DSC Module allows you to configure Bitlocker on a single disk, configure a TPM chip, or automatically enable Bitlocker on multiple disks.

Resources

xBLAutoBitlocker is used to automatically enable Bitlocker on drives of type Fixed or Removable. It does not work on Operating System drives. xBLAutoBitlocker has the following properties. Where no description is listed, properties correspond directly to Enable-Bitlocker parameters.

  • *DriveType:The type of volume, as reported by Get-Volume, to auto apply Bitlocker to
  • *PrimaryProtector:The primary protector type to be used for AutoBitlocker. Valid values are: "AdAccountOrGroupProtector", "PasswordProtector", "Pin", "RecoveryKeyProtector", "RecoveryPasswordProtector", "StartupKeyProtector", or "TpmProtector"
  • MinDiskCapacityGB:If specified, only disks this size or greater will auto apply Bitlocker
  • AutoUnlock:Whether volumes should be enabled for auto unlock using Enable-BitlockerAutoUnlock
  • AdAccountOrGroup
  • AdAccountOrGroupProtector
  • EncryptionMethod
  • HardwareEncryption
  • Password
  • PasswordProtector
  • Pin
  • RecoveryKeyPath
  • RecoveryKeyProtector
  • RecoveryPasswordProtector
  • Service
  • SkipHardwareTest
  • StartupKeyPath
  • StartupKeyProtector
  • TpmProtector
  • UsedSpaceOnly

xBLBitlocker has the following properties. Where no description is listed, properties correspond directly to Enable-Bitlocker parameters.

  • *MountPoint:The MountPoint name as reported in Get-BitLockerVolume

  • *PrimaryProtector:The primary protector type to be used for AutoBitlocker. Valid values are: "AdAccountOrGroupProtector", "PasswordProtector", "Pin", "RecoveryKeyProtector", "RecoveryPasswordProtector", "StartupKeyProtector", or "TpmProtector"

  • AutoUnlock:Whether volumes should be enabled for auto unlock using Enable-BitlockerAutoUnlock

  • AllowImmediateReboot:Whether the computer can be immediately rebooted after enabling Bitlocker on an OS drive. Defaults to false.

  • AdAccountOrGroup

  • AdAccountOrGroupProtector

  • EncryptionMethod

  • HardwareEncryption

  • Password

  • PasswordProtector

  • Pin

  • RecoveryKeyPath

  • RecoveryKeyProtector

  • RecoveryPasswordProtector

  • Service

  • SkipHardwareTest

  • StartupKeyPath

  • StartupKeyProtector

  • TpmProtector

  • UsedSpaceOnly

xBLTpm is used to initialize a TPM chip using Initialize-TPM. xBLTpm has the following properties.

  • *Identity:Not actually used, so could be anything

  • AllowClear:Indicates that the provisioning process clears the TPM, if necessary, to move the TPM closer to complying with Windows Server® 2012 standards

  • AllowPhysicalPresence:Indicates that the provisioning process may send physical presence commands that require a user to be present in order to continue.

  • AllowImmediateReboot:Whether the computer can rebooted immediately after initializing the TPM

Versions

Unreleased

  • Corrected an issue in CheckForPreReqs function where on Server Core the installation of the non existing Windows Feature 'RSAT-Feature-Tools-BitLocker-RemoteAdminTool' was erroneously checked.

1.1.0.0

1.0.1.1

  • Reduced the number of acceptable values for PrimaryProtector in xBLAutoBitlocker and xBLBitlocker.
  • Changed the properties that are returned by Get-TargetResource in xBLAutoBitlocker, xBLBitlocker, and xBLTpm.
  • Fixed issue which caused protectors to be continually re-added.

1.0.0.0

  • Initial release with the following resources
    • xBLAutoBitlocker
    • xBLBitlocker
    • xBLTpm

Examples

ConfigureBitlockerOnOSDrive

This example enables Bitlocker on an Operating System drive. The example code for ConfigureBitlockerOnOSDrive is located in ConfigureBitlockerOnOSDrive.ps1.

ConfigureBitlockerAndAutoBitlocker

Enables Bitlocker on an Operating System drive, and automatically enables Bitlocker on all drives of type 'Fixed'. The example code for ConfigureBitlockerAndAutoBitlocker is located in ConfigureBitlockerAndAutoBitlocker.ps1.