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Repair-bde can reconstruct critical parts of the drive and salvage recoverable data as long as a valid recovery password or recovery key is used to decrypt the data. The BitLocker Repair Tool (Repair-bde) can be used to access encrypted data on a severely damaged hard disk if the drive was encrypted by using BitLocker.

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This kind of problem may be caused by a hard disk failure or if Windows exits unexpectedly. You may experience a problem that damages an area of a hard disk on which BitLocker stores critical information. In the example below, we add a password protector to the volume and turn on BitLocker. We recommend that you add at least one primary protector and a recovery protector to a data volume.ДЄ common protector for a data volume is the password protector. Encrypting data volumes can be done using the base command: manage-bde -on or you can choose to add additional protectors to the volume first. If you are not sure if a TPM protector is available, to list the protectors available for a volume, run the following command: manage-bde -protectors -get Дata volumes use the same syntax for encryption as operating system volumes but they do not require protectors for the operation to complete.

This command encrypts the drive using the TPM as the default protector. On computers with a TPM, it is possible to encrypt the operating system volume without any defined protectors using manage-bde.

With the protectors enabled on the volume, you can then turn on BitLocker. This command will require you to enter and then confirm the password protector before adding them to the volume. To add them, use this command: manage-bde -protectors -add C: -pw -sid In this scenario, you would add the protectors first. Note: After the encryption is completed, the USB startup key must be inserted before the operating system can be started.ДЄn alternative to the startup key protector on non-TPM hardware is to use a password and an ADaccountorgroup protector to protect the operating system volume. manage-bde вЂ“protectors -add C: -startupkey E: You will be prompted to reboot to complete the encryption process. When BitLocker is enabled for the operating system volume, the BitLocker will need to access the USB flash drive to obtain the encryption key (in this example, the drive letter E represents the USB drive). Before beginning the encryption process, you must create the startup key needed for BitLocker and save it to the USB drive. The following example illustrates enabling BitLocker on a computer without a TPM chip. This command returns the volumes on the target, current encryption status, encryption method, and volume type (operating system or data) for each volume: Use the following command to determine volume status: manage-bde -status We recommend that you add at least one primary protector and a recovery protector to an operating system volume.ДЄ good practice when using manage-bde is to determine the volume status on the target system. However, many environments require more secure protectors such as passwords or PIN and expect to be able to recover information with a recovery key. In general, using only the manage-bde -on command will encrypt the operating system volume with a TPM-only protector and no recovery key. Listed below are examples of basic valid commands for operating system volumes. Using manage-bde with operating system volumes

The following sections provide examples of common usage scenarios for manage-bde. A volume encrypted in this manner still requires user interaction to turn on BitLocker protection, even though the command successfully completed because an authentication method needs to be added to the volume for it to be fully protected. For example, using just the manage-bde -on command on a data volume will fully encrypt the volume without any authenticating protectors. Manage-bde includes fewer default settings and requires greater customization for configuring BitLocker. For a complete list of the manage-bde options, see the Manage-bde command-line reference. Manage-bde offers additional options not displayed in the BitLocker control panel. Manage-bde is a command-line tool that can be used for scripting BitLocker operations.

BitLocker cmdlets for Windows PowerShell.

Repair-bde is a special circumstance tool that is provided for disaster recovery scenarios in which a BitLocker protected drive cannot be unlocked normally or using the recovery console.

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This article for the IT professional describes how to use tools to manage BitLocker.Д«itLocker Drive Encryption Tools include the command-line tools manage-bde and repair-bde and the BitLocker cmdlets for Windows PowerShell.Д«oth manage-bde and the BitLocker cmdlets can be used to perform any task that can be accomplished through the BitLocker control panel and are appropriate to use for automated deployments and other scripting scenarios.