EFS encrypted files on the Desktop or in the Documents folder cannot be decrypted on Windows Vista when Symantec AntiVirus 10.2 client is installed

EFS encrypted files on the Desktop or in the Documents folder cannot be decrypted on Windows Vista when Symantec AntiVirus 10.2 client is installed

Article ID : 953799
Last Review : May 30, 2008
Revision : 1.0
Source: Microsoft Support

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RAPID PUBLISHING

RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.

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Result

On a Windows Vista based computer that runs Symantec AntiVirus 10.2 client, you enable EFS for documents on the Desktop or in the Documents folder. After you reboot the computer and log on again, the encrypted files cannot be decrypted.

The problem does not occur when folders are encrypted in other locations.

Also, when Symantec AntiVirus is uninstalled the problem goes away.

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Cause

This occurs due to a problem of Symantec AntiVirus 10.2 client for Vista.

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Resolution

To resolve this issue, contact Symantec to upgrade the application. By September 2007, Symantec has released Maintenance Patch 1 for Symantec AntiVirus 10.2 client for Vista, which resolves the issue.

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More Information

For more information about this issue, please read the following Symantec document:

http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/37d43765dbe465c98825727c00672008?OpenDocument (http://service1.symantec.com/support/ent-security.nsf/854fa02b4f5013678825731a007d06af/37d43765dbe465c98825727c00672008?OpenDocument)

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APPLIES TO
• Windows Vista Business
• Windows Vista Enterprise
• Windows Vista Home Basic
• Windows Vista Home Premium
• Windows Vista Ultimate

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Keywords: 
kbnomt kbrapidpub KB953799

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Microsoft Knowledge Base Article

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