FIX: The wrong volume is formatted when a raw volume is mounted on an NTFS folder on a computer that is running Windows Server 2008 R2 or Windows 7

Symptoms

Consider the following scenario:

  • You create a folder on an NTFS file system volume on a computer that is running Windows Server 2008 R2 or Windows 7.

  • You configure this folder as a reparse point or as a mount point for volumes that will be added.

  • A raw volume is mounted on the folder.

In this scenario, you are prompted with the following message when the volume is mounted to the reparse point or to the mount point:


You need to format the disk in drive <drive letter> before you can use it.
Do you want to format it?

If you click the Format disk button in the message dialog box, the wrong volume is formatted. For example, when you mount a volume on the E:\mount folder, you receive the message that is mentioned in the "Symptoms" section. If you click the Format disk button, volume E is formatted instead of the mounted volume.

Cause

The issue occurs because the shell disk-formatting function of the Shell32.dll module is not mount-point aware. Therefore, a wrong volume is formatted.

Resolution

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running Windows Server 2008 R2 or Windows 7.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows 7 and Windows Server 2008 R2 file information notes


Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows Server 2008 R2 and for Windows 7" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are very important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x86-based versions of Windows 7

File name

File version

File size

Date

Time

Platform

Shell32.dll

6.1.7600.20787

12,869,120

21-Aug-2010

06:52

x86

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Shell32.dll

6.1.7600.20787

14,166,016

21-Aug-2010

07:24

x64

Shell32.dll

6.1.7600.20787

12,869,120

21-Aug-2010

06:52

x86

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Shell32.dll

6.1.7600.20787

21,176,320

21-Aug-2010

06:30

IA-64

Shell32.dll

6.1.7600.20787

12,869,120

21-Aug-2010

06:52

x86

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

971254 FIX: You are prompted to format the volume when a formatted volume is mounted on a NTFS folder that is located on a computer that is running Windows Server 2008 or Windows VistaFor more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Additional file information

Additional file information for Windows 7 and for Windows Server 2008 R2

Additional files for all supported x86-based versions of Windows 7

File name

Update.mum

File version

Not applicable

File size

1,880

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

X86_7542f5757444b8aa78061b6b4dff75c3_31bf3856ad364e35_6.1.7600.20787_none_63834353098e8f27.manifest

File version

Not applicable

File size

695

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

X86_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20787_none_6c8b24128c6b4d1d.manifest

File version

Not applicable

File size

1,059,457

Date (UTC)

21-Aug-2010

Time (UTC)

07:18

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_507f2840287d4a13106c2989b0b2c3b1_31bf3856ad364e35_6.1.7600.20787_none_fffbd7e557968050.manifest

File version

Not applicable

File size

699

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

Amd64_de84d05e7bba118ef4e07b0c3b4b17f5_31bf3856ad364e35_6.1.7600.20787_none_4acb67b2ba15c8a6.manifest

File version

Not applicable

File size

1,040

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

Amd64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20787_none_c8a9bf9644c8be53.manifest

File version

Not applicable

File size

1,058,443

Date (UTC)

21-Aug-2010

Time (UTC)

08:25

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,114

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

Wow64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20787_none_d2fe69e87929804e.manifest

File version

Not applicable

File size

1,054,916

Date (UTC)

21-Aug-2010

Time (UTC)

07:13

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_a5dd6eecf3c5149d182da129c6f49c09_31bf3856ad364e35_6.1.7600.20787_none_fb8b89a166246f85.manifest

File version

Not applicable

File size

1,038

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

Ia64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20787_none_6c8cc8088c695619.manifest

File version

Not applicable

File size

1,058,441

Date (UTC)

21-Aug-2010

Time (UTC)

08:12

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,690

Date (UTC)

21-Aug-2010

Time (UTC)

13:21

Platform

Not applicable

File name

Wow64_microsoft-windows-shell32_31bf3856ad364e35_6.1.7600.20787_none_d2fe69e87929804e.manifest

File version

Not applicable

File size

1,054,916

Date (UTC)

21-Aug-2010

Time (UTC)

07:13

Platform

Not applicable

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