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Error message when you try to access the root of a drive after you leave HomeGroup in Windows 7 Release Candidate: "Access is denied."

On a Windows 7 Release Candidate-based computer that is running HomeGroup, consider the following scenario:
  • You join the computer to a homegroup.
  • You share the root of a drive, such as the E drive.
  • You leave the homegroup.
In this scenario, after you leave the homegroup, you cannot access the E drive. When you try to access the E drive, you receive the following error message:

E:\ is not accessible.
Access is denied.
To work around this problem, take the following steps:

Note If the drive is a nonsystem drive, you can also take the following steps in Windows Explorer:
  1. Right-click the drive and then click Properties.
  2. Click the Security tab, and then click Advanced.
  3. Click the Owner tab, and then click Edit.
  4. Change ownership to the desired account or the desired group.
If you lose access to the system drive, you must restart in a parallel operating system that has access to the drive. Then, follow the previous steps. This may require you to remove the drive from the current computer and put the drive into another computer.

Update information

Download information

The following files are available for download from the MicrosoftDownload Center:
Update for Windows 7 Release Candidate for x64-based Systems (KB972407)
DownloadDownload the Update for Windows 7 Release Candidate for x64-based Systems (KB972407) package now.
Update for Windows 7 Release Candidate (KB972407)
DownloadDownload the Update for Windows 7 Release Candidate (KB972407) package now.


To apply this update, your computer must have Windows 7 Release Candidate installed.

Restart requirement

You must restart the computer after you apply this update.

Update replacement information

This update does not replace any other update.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
For all supported x86-based versions of Windows 7 Release Candidate
File nameFile versionFile sizeDateTimePlatform
For all supported x64-based versions of Windows 7 Release Candidate
File nameFile versionFile sizeDateTimePlatform
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
For more information about HomeGroup for Windows 7, visit the following Microsoft Web site:

Article ID: 972407 - Last Review: 10/07/2011 18:05:00 - Revision: 3.0

Windows 7 Release Candidate

  • kbexpertiseinter kbfix kbbug kbsurveynew kbqfe KB972407
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