You cannot bring a volume online when the Snapshot Protection mode is enabled in Windows Server 2008 R2 or in Windows 7

Symptoms

Consider the following scenario:

  • On a computer that is running Windows Server 2008 R2 or Windows 7, you create two volumes on some dynamic disks.

  • You configure one volume to store the shadow copy storage area (also known as "diff area") of the other volume.

  • You enable the Snapshot Protection mode on both volumes.

  • You create snapshots at set intervals. After a while, the volume that has its shadow copy storage area stored on the other volume goes offline because the storage space on the volume that stores the shadow copy storage area is used up.

  • You extend the volume that has used up its storage space, and you try to bring the volume that has its shadow copy storage area stored on the other volume online.

In this scenario, you cannot bring the volume that has its shadow copy storage area stored on the other volume online. Additionally, you receive the following events in the System log:

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 Web site:

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.

Registry information

To use the hotfix, you do not have to change the registry.

Restart requirement

You do not have to 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 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 extremely 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

Volsnap.sys

6.1.7600.20715

245,128

19-May-2010

15:16

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

Volsnap.sys

6.1.7600.20715

295,296

19-May-2010

14:55

x64

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

File name

File version

File size

Date

Time

Platform

Volsnap.sys

6.1.7600.20715

676,224

19-May-2010

14:37

IA-64

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 about the Volume Shadow Copy Service, visit the following Microsoft TechNet website:

General information about the Volume Shadow Copy ServiceFor 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

Package_1_for_kb983633~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,833

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_2_for_kb983633~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,833

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_3_for_kb983633~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

1,832

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_for_kb983633_rtm~31bf3856ad364e35~x86~~6.1.1.0.mum

File version

Not applicable

File size

2,189

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

X86_volume.inf_31bf3856ad364e35_6.1.7600.20715_none_16625f95764d63e6.manifest

File version

Not applicable

File size

2,083

Date (UTC)

19-May-2010

Time (UTC)

17:09

Platform

Not applicable

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

File name

Amd64_volume.inf_31bf3856ad364e35_6.1.7600.20715_none_7280fb192eaad51c.manifest

File version

Not applicable

File size

2,087

Date (UTC)

19-May-2010

Time (UTC)

16:17

Platform

Not applicable

File name

Package_1_for_kb983633~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

1,843

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_2_for_kb983633~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

1,843

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_3_for_kb983633~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

1,842

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_for_kb983633_rtm~31bf3856ad364e35~amd64~~6.1.1.0.mum

File version

Not applicable

File size

2,203

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

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

File name

Ia64_volume.inf_31bf3856ad364e35_6.1.7600.20715_none_1664038b764b6ce2.manifest

File version

Not applicable

File size

2,085

Date (UTC)

19-May-2010

Time (UTC)

16:16

Platform

Not applicable

File name

Package_1_for_kb983633~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not applicable

File size

1,838

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

File name

Package_for_kb983633_rtm~31bf3856ad364e35~ia64~~6.1.1.0.mum

File version

Not applicable

File size

1,444

Date (UTC)

20-May-2010

Time (UTC)

01:54

Platform

Not applicable

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