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Symptoms

Consider the following scenario. You have a computer that is running Windows Vista or Windows Server 2008. From this computer, you try to access shared files or shared printers that are hosted on a remote computer. However, the access operation becomes unresponsive.

Notes

  • When this issue occurs, you cannot access shared files or shared printers that are hosted on any remote computers.

  • The collected network trace indicates that the Server Message Block (SMB) Version 2 protocol is used to access shared files or shared printers.

Cause

This issue occurs because of a problem in the Redirected Drive Buffering SubSystem (Rdbss.sys) driver. This driver holds some resources when it waits for a response from the cache manager, and one of those resources is required for the cache manager to complete its task. Therefore, a deadlock situation occurs, and the access operation becomes unresponsive. 

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 one of the following operating systems:

  • Windows Vista Service Pack 2 (SP2)

  • Windows Server 2008 Service Pack 2 (SP2)

For more information about how to obtain a Windows Vista service pack, click the following article number to view the article in the Microsoft Knowledge Base:

935791 How to obtain the latest Windows Vista service pack

For more information about how to obtain a Windows Server 2008 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

968849 How to obtain the latest service pack for Windows Server 2008

Restart requirement

You may 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 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.

    Version

    Product

    SR_Level

    Service branch

    6.0.600
    2.
    22xxx

    Windows Vista and Windows Server 2008

    SP2

    LDR

  • 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 files and MANIFEST files, 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 name

File version

File size

Date

Time

Platform

Rdbss.sys

6.0.6002.22448

225,792

16-Jul-2010

13:35

x86

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

File name

File version

File size

Date

Time

Platform

Rdbss.sys

6.0.6002.22448

289,280

16-Jul-2010

13:47

x64

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

File name

File version

File size

Date

Time

Platform

Rdbss.sys

6.0.6002.22448

680,448

16-Jul-2010

13:20

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 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 Vista and for Windows Server 2008

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

File name

Update.mum

File version

Not applicable

File size

3,078

Date (UTC)

16-Jul-2010

Time (UTC)

23:35

Platform

Not applicable

File name

X86_d5d22d6c450b9758f62ec73d53081758_31bf3856ad364e35_6.0.6002.22448_none_01f4ed7bd743a29a.manifest

File version

Not applicable

File size

693

Date (UTC)

16-Jul-2010

Time (UTC)

23:35

Platform

Not applicable

File name

X86_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6002.22448_none_5c21b48377c68de8.manifest

File version

Not applicable

File size

6,856

Date (UTC)

16-Jul-2010

Time (UTC)

17:49

Platform

Not applicable

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

File name

Amd64_d24f51264039dec9671fbfbd7d8a9588_31bf3856ad364e35_6.0.6002.22448_none_de1b520c4f4bd310.manifest

File version

Not applicable

File size

697

Date (UTC)

16-Jul-2010

Time (UTC)

23:36

Platform

Not applicable

File name

Amd64_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6002.22448_none_b84050073023ff1e.manifest

File version

Not applicable

File size

7,113

Date (UTC)

16-Jul-2010

Time (UTC)

18:16

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

3,102

Date (UTC)

16-Jul-2010

Time (UTC)

23:36

Platform

Not applicable

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

File name

Ia64_f74c6eeada668d1254fedd92e686b6d6_31bf3856ad364e35_6.0.6002.22448_none_e65424ca65b7e3d0.manifest

File version

Not applicable

File size

695

Date (UTC)

16-Jul-2010

Time (UTC)

23:35

Platform

Not applicable

File name

Ia64_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6002.22448_none_5c23587977c496e4.manifest

File version

Not applicable

File size

7,107

Date (UTC)

16-Jul-2010

Time (UTC)

16:03

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,255

Date (UTC)

16-Jul-2010

Time (UTC)

23:35

Platform

Not applicable

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