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Event ID 24580 — 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.

Event Details

Product: Windows Operating System
ID: 24580
Source: Microsoft-Windows-BitLocker-Driver
Version: 6.1
Message: Decryption of volume %2 started.


This is a normal condition. No further action is required.

Related Management Information

BitLocker Volume Conversion

Core Security

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