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BitLocker Volume Conversion

Updated: December 16, 2008

Applies To: Windows Server 2008 R2

In BitLocker parlance, the term "conversion" refers to either encrypting or to decrypting an entire volume. Encryption of the entire volume occurs when BitLocker is enabled for that volume. Decryption occurs if an administrator chooses the Decrypt the drive option when turning off BitLocker from the BitLocker Control panel or uses the disable option from the manage-bde command-line tool.

Events

Event ID Source Message

24577

Microsoft-Windows-BitLocker-Driver

Encryption of volume %2 started.

24578

Microsoft-Windows-BitLocker-Driver

Encryption of volume %2 stopped.

24579

Microsoft-Windows-BitLocker-Driver

Encryption of volume %2 completed.

24580

Microsoft-Windows-BitLocker-Driver

Decryption of volume %2 started.

24581

Microsoft-Windows-BitLocker-Driver

Decryption of volume %2 stopped.

24582

Microsoft-Windows-BitLocker-Driver

Decryption of volume %2 completed.

24583

Microsoft-Windows-BitLocker-Driver

Conversion worker thread for volume %2 was started.

24584

Microsoft-Windows-BitLocker-Driver

Conversion worker thread for volume %2 was temporarily stopped.

24586

Microsoft-Windows-BitLocker-Driver

An error was encountered converting volume %2.

24588

Microsoft-Windows-BitLocker-Driver

The conversion operation on volume %2 encountered a bad sector error. Please validate the data on this volume.

24592

Microsoft-Windows-BitLocker-Driver

An attempt to automatically restart conversion on volume %2 failed.

24593

Microsoft-Windows-BitLocker-Driver

Metadata write: Volume %2 returning errors while trying to modify metadata. If failures continue, decrypt volume.

24594

Microsoft-Windows-BitLocker-Driver

Metadata rebuild: An attempt to write a copy of metadata on volume %2 failed and may appear as disk corruption. If failures continue, decrypt volume.

24595

Microsoft-Windows-BitLocker-Driver

Volume %2 contains bad clusters. These clusters will be skipped during conversion.

24621

Microsoft-Windows-BitLocker-Driver

Initial state check: Rolling volume conversion transaction on %2.

Related Management Information

BitLocker Filter Driver

Core Security

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