Not sure if this is the right fix? We've added this issue to our memory dump diagnostic which can confirm.

Symptoms

On a computer that is running Windows Server 2008 or Windows Vista, you receive the following Stop error message:

Stop 0x00000027 (parameter1, parameter2, parameter3, parameter4)

RDR_FILE_SYSTEM


Note the parameters in this error message vary, depending on the configuration of the computer.

When this problem occurs, the following event is logged in the system event log:

Cause

This problem occurs because the Mrxsmb20.sys driver incorrectly releases an object two times.

Resolution

Important Windows Vista and Windows Server 2008 hotfixes are included in the same packages. However, only one of these products may be listed on the “Hotfix Request” page. To request the hotfix package that applies to both Windows Vista and Windows Server 2008, just select the product that is listed on the page.
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, the computer must be running one of the following operating systems:

  • Windows Vista Service Pack 1

  • Windows Vista Service Pack2

  • Windows Server 2008

  • Windows Server 2008 Service Pack 2

Restart requirement

You have to restart the computer after you apply this hotfix.

Hotfix replacement information


This hotfix does not replace any other hotfix.

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.

Windows Vista and Windows Server 2008 file information note


The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are
listed separately. MUM and MANIFEST files, and the associated security catalog (.cat) files, are critical to maintaining the state of the updated component. The security catalog files (attributes not listed) are signed with a Microsoft digital signature.


For all supported x86-based versions of Windows Server 2008 or Windows Vista Service Pack 1

File name

File version

File size

Date

Time

Mrxsmb20.sys

6.0.6001.22524

79,360

16-Sep-2009

09:43

For all supported x64-based versions of Windows Server 2008 or Windows Vista Service Pack 1

File name

File version

File size

Date

Time

Mrxsmb20.sys

6.0.6001.22524

105,984

16-Sep-2009

09:50

For all supported Itanium-based versions of Windows Server 2008 or Windows Vista Service Pack 1

File name

File version

File size

Date

Time

Mrxsmb20.sys

6.0.6001.22524

262,656

16-Sep-2009

09:28

For all supported x86-based versions of Windows Server 2008 Service Pack 2 or Windows Vista Service Pack 2

File name

File version

File size

Date

Time

Mrxsmb20.sys

6.0.6002.22227

79,360

16-Sep-2009

09:29

For all supported x64-based versions of Windows Server 2008 Service Pack 2 or Windows Vista Service Pack 2

File name

File version

File size

Date

Time

Mrxsmb20.sys

6.0.6002.22227

105,984

16-Sep-2009

09:33

For all supported Itanium-based versions of Windows Server 2008 Service Pack 2 or Windows Vista Service Pack 2

File name

File version

File size

Date

Time

Mrxsmb20.sys

6.0.6002.22227

262,656

16-Sep-2009

09:25

Status

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

References

For 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

More Information

Additional file information for Windows Server 2008

Additional files for all supported x86-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Package_for_kb973625_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,425

19-Jul-2009

10:18

Not Applicable

Package_for_kb973625_server_1~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,530

19-Jul-2009

10:18

Not Applicable

Package_for_kb973625_server~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,713

19-Jul-2009

10:18

Not Applicable

X86_microsoft-windows-wlangpui_31bf3856ad364e35_6.0.6001.22475_none_40bfc4b623e4317a.manifest

Not Applicable

25,299

18-Jul-2009

22:26

Not Applicable

X86_microsoft-windows-wlangpui_31bf3856ad364e35_6.0.6002.22180_none_42966540211723dc.manifest

Not Applicable

25,299

18-Jul-2009

22:02

Not Applicable

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

File name

File version

File size

Date

Time

Platform

Amd64_microsoft-windows-wlangpui_31bf3856ad364e35_6.0.6001.22475_none_9cde6039dc41a2b0.manifest

Not Applicable

25,345

18-Jul-2009

22:36

Not Applicable

Amd64_microsoft-windows-wlangpui_31bf3856ad364e35_6.0.6002.22180_none_9eb500c3d9749512.manifest

Not Applicable

25,345

18-Jul-2009

22:00

Not Applicable

Package_for_kb973625_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,433

19-Jul-2009

10:18

Not Applicable

Package_for_kb973625_server_1~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,540

19-Jul-2009

10:18

Not Applicable

Package_for_kb973625_server~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,723

19-Jul-2009

10:18

Not Applicable

Wow64_microsoft-windows-wlangpui_31bf3856ad364e35_6.0.6001.22475_none_a7330a8c10a264ab.manifest

Not Applicable

21,786

18-Jul-2009

22:09

Not Applicable

Wow64_microsoft-windows-wlangpui_31bf3856ad364e35_6.0.6002.22180_none_a909ab160dd5570d.manifest

Not Applicable

21,786

18-Jul-2009

21:48

Not Applicable

Additional files for all supported Itanium-based versions of Windows Server 2008 or Windows Vista

File name

File version

File size

Date

Time

Ia64_3c3ead1feebbb89ad4272cc1e309372d_31bf3856ad364e35_6.0.6001.22524_none_addc80428d5938e0.manifest

No t Applicable

703

17-Sep- 2009

04:15

Ia64_59f4ee168617a7d8ee4c6a800712c401_31bf3856ad364e35_6.0.6002.22227_none_89f5e7ba6dd7a91b.manifest

Not Applicable

703

17-Sep-2009

04:15

Ia64_microsoft-windows-smb20- minirdr_31bf3856ad364e35_6.0.6001.22524_none_8b549f44a2ee1b96.manifest

Not Applicable

6,966

16-Sep- 2009

13:38

Ia64_microsoft-windows-smb20-minirdr_31bf3856ad364e35_6.0.6002.22227_none_8d3e120aa011bcbf.manifest

Not Applicable

6,966

16-Sep-2009

19:34

Package_for_kb974759_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,425

17-Sep-2009

04:15

Package_for_kb974759_sc_1~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,530

17-Sep-2009

04:15

Package_for_kb974759_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,706

17-Sep-2009

04:15

Package_for_kb974759_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,429

17-Sep-2009

04:15

Package_for_kb974759_server_1~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,533

17-Sep-2009

04:15

Package_for_kb974759_server~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,718

17-Sep-2009

04:15

Package_for_kb974759_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,426

17-Sep-2009

04:15

Package_for_kb974759_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,434

17-Sep-2009

04:15

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