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Server stops responding when you lock or unlock files on a network by using the SMB2 protocol in Windows

Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.
Symptoms
A computer that is running Windows 7, Windows Server 2008 R2, Windows Vista or Windows Server 2008 stops responding when it uses the Server Message Block Version 2 (SMB2) protocol to lock or unlock files on a network. 

If you enable the special pool feature on the computer, you receive a Stop error message that resembles the following:
STOP: 0x000000D5 ( Parameter1 , Parameter2 , Parameter3 , Parameter4 )
DRIVER_PAGE_FAULT_IN_FREED_SPECIAL_POOL

Notes
  • The parameters in this Stop error message vary, depending on the configuration of the computer.
  • Not all "0x000000D5" Stop errors are caused by this issue.

Cause
This issue occurs because of a race condition between the NTFS file system driver (Ntfs.sys) and the SMB2 server driver (Srv2.sys).

When the race condition occurs, a structure in NTFS file system driver is released prematurely. Therefore, the issue that is described in the "Symptoms" section occurs when the Ntfs.sys driver accesses the released structure.
Resolution
To resolve this issue, we have released a hotfix package for Windows 7, Windows Server 2008 R2, Windows Vista or Windows Server 2008.

Before you install the hotfix, check the Prerequisites section in this article.

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 this specific problem.

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, submit a request to 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: Note 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 install Service Pack 1 for Windows 7 or Windows Server 2008 R2. Or, install Service Pack 2 for Windows Vista and for Windows Server 2008.

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.
More information

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 files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.1.760 1.22xxxWindows 7 and Windows Server 2008 R2SP1LDR
  • 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 7 and Windows Server 2008 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. 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 nameFile versionFile sizeDateTimePlatform
Ntfs.sys6.1.7601.228631,213,36807-Nov-201403:15x86
For all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Ntfs.sys6.1.7601.228631,684,40807-Nov-201403:32x64
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Ntfs.sys6.1.7601.228633,554,74407-Nov-201402:30IA-64

Windows Vista and Windows Server 2008 file information notes

Important Windows Vista hotfixes and Windows Server 2008 hotfixes are included in the same packages. However, only "Windows Vista" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows Vista" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.
  • The files that apply to a specific product, SR_Level (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table.
    VersionProductSR_LevelService branch
    6.0.600 2. 22xxxWindows Vista and Windows Server 2008SP2LDR
  • 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 and for Windows Vista" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are extremely important to maintain the state of the updated components. 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 Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
Ntfs.sys6.0.6002.226321,082,76828-Apr-201104:53x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
File nameFile versionFile sizeDateTimePlatform
Ntfs.sys6.0.6002.226321,505,16828-Apr-201104:53x64
For all supported IA-64based versions of Windows Server 2008
File nameFile versionFile sizeDateTimePlatform
Ntfs.sys6.0.6002.226323,284,88028-Apr-201104:49IA-64

Additional file information

Additional file information for Windows 7 and Windows Server 2008 R2
Additional files for all supported x86-based versions of Windows 7
File propertyValue
File nameX86_7b74c6fda913d3a45b632162d4ff2c9d_31bf3856ad364e35_6.1.7601.22863_none_d7d63ccc12f7f62b.manifest
File versionNot applicable
File size692
Date (UTC)07-Nov-2014
Time (UTC)14:24
File nameX86_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7601.22863_none_a8cb0d919474d8b5.manifest
File versionNot applicable
File size14,508
Date (UTC)07-Nov-2014
Time (UTC)03:35
Additional files for all supported x64-based versions of Windows 7 and Windows Server 2008 R2
File propertyValue
File nameAmd64_64a33531ac24081dca01f78fe9feea2f_31bf3856ad364e35_6.1.7601.22863_none_08f6c8ac5ce30ac7.manifest
File versionNot applicable
File size696
Date (UTC)07-Nov-2014
Time (UTC)14:24
File nameAmd64_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7601.22863_none_04e9a9154cd249eb.manifest
File versionNot applicable
File size14,514
Date (UTC)07-Nov-2014
Time (UTC)03:53
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File propertyValue
File nameIa64_4451246500f67a043b6b2ba801bb515f_31bf3856ad364e35_6.1.7601.22863_none_a5e1be045db1be64.manifest
File versionNot applicable
File size694
Date (UTC)07-Nov-2014
Time (UTC)14:24
File nameIa64_microsoft-windows-ntfs_31bf3856ad364e35_6.1.7601.22863_none_a8ccb1879472e1b1.manifest
File versionNot applicable
File size14,511
Date (UTC)07-Nov-2014
Time (UTC)03:28

Additional file information for Windows Vista and for Windows Server 2008
Additional files for all supported x86-based versions of Windows Vista and of Windows Server 2008
File nameUpdate.mum
File versionNot applicable
File size3,078
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
File nameX86_6df3515da3ef547b02dadb82c1ea2758_31bf3856ad364e35_6.0.6002.22632_none_8831aceb73fe1e28.manifest
File versionNot applicable
File size692
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
File nameX86_microsoft-windows-ntfs_31bf3856ad364e35_6.0.6002.22632_none_a8c2d8703345fe3a.manifest
File versionNot applicable
File size16,841
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
File nameAmd64_0adc715162745ee256f1e920577bdf82_31bf3856ad364e35_6.0.6002.22632_none_de71fce727e0c08f.manifest
File versionNot applicable
File size696
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
File nameAmd64_microsoft-windows-ntfs_31bf3856ad364e35_6.0.6002.22632_none_04e173f3eba36f70.manifest
File versionNot applicable
File size17,104
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size3,102
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
Additional files for all supported IA-64based versions of Windows Server 2008
File nameIa64_cc2678f02db6d94bc215c8c9dff44b53_31bf3856ad364e35_6.0.6002.22632_none_f60fc0dcbf17688e.manifest
File versionNot applicable
File size694
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
File nameIa64_microsoft-windows-ntfs_31bf3856ad364e35_6.0.6002.22632_none_a8c47c6633440736.manifest
File versionNot applicable
File size17,096
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,255
Date (UTC)28-Apr-2011
Time (UTC)05:04
PlatformNot applicable

For more information about the LockFile function, visit the following MSDN website:
For more information about the UnLockFile function, visit the following MSDN website:

Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
See the terminology that Microsoft uses to describe software updates.
SMB 2.0 NTFS computer not responding vista 2008
Properties

Article ID: 2535094 - Last Review: 12/09/2014 23:22:00 - Revision: 8.0

Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1, Windows Server 2008 Service Pack 2, Windows Server 2008 for Itanium-Based Systems, Windows Vista Service Pack 2

  • kbmdd kbautohotfix kbqfe kbhotfixserver kbfix kbsurveynew kbexpertiseinter KB2535094
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