Error message when you try to use BitLocker Drive Encryption in Windows Vista: The drive configuration is unsuitable for BitLocker Drive Encryption

Error message when you try to use BitLocker Drive Encryption in Windows Vista: The drive configuration is unsuitable for BitLocker Drive Encryption

Article ID : 930434
Last Review : May 10, 2007
Revision : 3.3

SYMPTOMS

When you try to use Windows BitLocker Drive Encryption in Windows Vista, you may receive the following error message:

The drive configuration is unsuitable for BitLocker Drive Encryption. To use BitLocker, please re-partition your hard drive according to the BitLocker requirements.

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CAUSE

This problem may occur if the hard disk is configured incorrectly for BitLocker Drive Encryption. For BitLocker to work, you must have at least two partitions on the hard disk. The first partition contains the startup information. This volume is not encrypted. The second partition contains the operating system and user data. This volume is encrypted.

Note The partitions must be created before you install Windows Vista.

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RESOLUTION

If the computer has a single partition, you can use the BitLocker Drive Preparation Tool to reduce the operating system partition. Then, you can create a separate partition for BitLocker.For more information, click the following article number to view the article in the Microsoft Knowledge Base:

930063 (/Feedback.aspx?kbNumber=930063/) Description of the BitLocker Drive Preparation Tool

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STATUS

Microsoft is researching this problem and will post more information in this article when the information becomes available.

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MORE INFORMATION

For more information about BitLocker, its requirements, and its options, visit the following Microsoft Web page:

http://go.microsoft.com/fwlink/?LinkId=67438 (http://go.microsoft.com/fwlink/?LinkId=67438)

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APPLIES TO
• Windows Vista Home Basic
• Windows Vista Home Premium
• Windows Vista Ultimate
• Windows Vista Business
• Windows Vista Enterprise
• Windows Vista Starter
• Windows Vista Home Basic 64-bit Edition
• Windows Vista Home Premium 64-bit Edition
• Windows Vista Ultimate 64-bit Edition
• Windows Vista Business 64-bit Edition
• Windows Vista Enterprise 64-bit Edition

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Keywords: 
kbtshoot kbprb kbexpertiseinter KB930434

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Microsoft Knowledge Base Article

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