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Article ID: 980663 - Last Review: May 20, 2013 - Revision: 5.0

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Symptoms

On a computer that is running Windows Vista Service Pack 1 (SP1), Windows Vista Service Pack 2 (SP2), Windows Server 2008, Windows Server 2008 Service Pack 2 (SP2), Windows Server 2008 R2 or Windows 7, you receive a Stop error message that resembles the following:
STOP: 0x000000B8 (parameter1, parameter2, parameter3, parameter4)
ATTEMPTED_SWITCH_FROM_DPC
Note
  • The parameters in this Stop error message vary, depending on the configuration of the computer.
  • Not all "0x000000B8" Stop errors are caused by this problem.
This issue may occur in one of the following conditions:
  • The computer is under a heavy load situation.
  • The computer is connected to a network that has some connectivity issues.

Cause

This issue occurs because the Redirected Driver Buffering SubSystem (Rdbss.sys) driver incorrectly performs an I/O request packet (IRP) cancellation operation at the deferred procedure call level or at the dispatch level.

The IRP cancellation operation performs a wait operation that involves the context switching for a thread. However, the context switching for a thread is not permitted at the deferred procedure call level or at the dispatch level. Therefore, you receive the Stop error message that is mentioned in the "Symptoms" section.

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=support (http://support.microsoft.com/contactus/?ws=support)
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 be running one of the following operating systems:
  • Windows Vista SP1
  • Windows Vista SP2
  • Windows Server 2008
  • Windows Server 2008 SP2
  • Windows 7
  • Windows Server 2008 R2
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  (http://support.microsoft.com/kb/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  (http://support.microsoft.com/kb/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 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.
  • 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.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 1 . 22xxxWindows Vista and Windows Server 2008SP1LDR
    6.0.600 2 . 22xxxWindows Vista and Windows Server 2008SP2LDR
  • Service Pack 1 is integrated into the release version of Windows Server 2008. Therefore, RTM milestone files apply only to Windows Vista. RTM milestone files have a 6.0.0000.xxxxxx version number.
  • 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 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 Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdbss.sys6.0.6001.22657225,79218-Mar-201015:59x86
Rdbss.sys6.0.6002.22367225,28018-Mar-201016:24x86
For all supported x64-based versions of Windows Server 2008 and of Windows Vista
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdbss.sys6.0.6001.22657289,28018-Mar-201016:25x64
Rdbss.sys6.0.6002.22367225,28018-Mar-201016:25x64
For all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdbss.sys6.0.6001.22657678,91218-Mar-201016:00IA-64
Rdbss.sys6.0.6002.22367679,93618-Mar-201016:21IA-64
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 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
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdbss.sys6.1.7600.20671241,66418-Mar-201005:55x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdbss.sys6.1.7600.20671309,24818-Mar-201006:03x64
For all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Rdbss.sys6.1.7600.20671719,87218-Mar-201005:35IA-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 "0x000000B8" Stop error code, visit the following Microsoft Developer Network (MSDN) Web site:
General information about the "0x000000B8" Stop error code (http://msdn.microsoft.com/en-us/library/ms795832.aspx)
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684  (http://support.microsoft.com/kb/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
Collapse this tableExpand this table
File nameX86_7bad763f0e1a22c0c272a47dde20b22d_31bf3856ad364e35_6.0.6002.22367_none_0bce0088067f3c48.manifest
File versionNot applicable
File size693
Date19-Mar-10
Time9:59
PlatformNot applicable
File nameX86_9f40de32e052eff4f2e29be91c9a15c3_31bf3856ad364e35_6.0.6001.22657_none_f376d76b6e1ae9aa.manifest
File versionNot applicable
File size693
Date19-Mar-10
Time9:59
PlatformNot applicable
File nameX86_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6001.22657_none_5a2f707f7aa93e37.manifest
File versionNot applicable
File size6,856
Date18-Mar-10
Time19:38
PlatformNot applicable
File nameX86_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6002.22367_none_5c0b127b77d7af4c.manifest
File versionNot applicable
File size6,856
Date19-Mar-10
Time5:01
PlatformNot applicable
Additional files for all supported x64-based versions of Windows Vista and of Windows Server 2008
Collapse this tableExpand this table
File nameAmd64_a6fa8e2026fd27084688420649c5c23e_31bf3856ad364e35_6.0.6001.22657_none_e8f536829b2eafb6.manifest
File versionNot applicable
File size697
Date19-Mar-10
Time9:59
PlatformNot applicable
File nameAmd64_cc5d9b16d74a1c580a488a531f357039_31bf3856ad364e35_6.0.6002.22367_none_c22d150630098a5f.manifest
File versionNot applicable
File size697
Date19-Mar-10
Time9:59
PlatformNot applicable
File nameAmd64_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6001.22657_none_b64e0c033306af6d.manifest
File versionNot applicable
File size7,113
Date18-Mar-10
Time20:08
PlatformNot applicable
File nameAmd64_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6002.22367_none_b829adff30352082.manifest
File versionNot applicable
File size7,113
Date19-Mar-10
Time7:41
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
Collapse this tableExpand this table
File nameIa64_ccb2d952c14a47bc5c3276bad9528614_31bf3856ad364e35_6.0.6002.22367_none_9e96774e9ebac37a.manifest
File versionNot applicable
File size695
Date19-Mar-10
Time9:59
PlatformNot applicable
File nameIa64_df61aa80466f51b249671ee7048ca165_31bf3856ad364e35_6.0.6001.22657_none_e9266bdae4093667.manifest
File versionNot applicable
File size695
Date19-Mar-10
Time9:59
PlatformNot applicable
File nameIa64_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6001.22657_none_5a3114757aa74733.manifest
File versionNot applicable
File size7,107
Date18-Mar-10
Time19:20
PlatformNot applicable
File nameIa64_microsoft-windows-rdbss_31bf3856ad364e35_6.0.6002.22367_none_5c0cb67177d5b848.manifest
File versionNot applicable
File size7,107
Date18-Mar-10
Time20:15
PlatformNot applicable

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

Additional files for all supported x86-based versions of Windows 7
Collapse this tableExpand this table
File nameUpdate.mum
File versionNot applicable
File size1,674
Date (UTC)18-Mar-2010
Time (UTC)23:02
PlatformNot applicable
File nameX86_454e73ecd5612e36bb21fafb3b063a54_31bf3856ad364e35_6.1.7600.20671_none_400029ae5025fb29.manifest
File versionNot applicable
File size693
Date (UTC)18-Mar-2010
Time (UTC)23:02
PlatformNot applicable
File nameX86_microsoft-windows-rdbss_31bf3856ad364e35_6.1.7600.20671_none_5a3b9d4adbd61dd0.manifest
File versionNot applicable
File size21,803
Date (UTC)18-Mar-2010
Time (UTC)19:26
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
Collapse this tableExpand this table
File nameAmd64_36577c9efd06da6d800c88ee22ce067c_31bf3856ad364e35_6.1.7600.20671_none_28884e1865e30f54.manifest
File versionNot applicable
File size697
Date (UTC)18-Mar-2010
Time (UTC)23:02
PlatformNot applicable
File nameAmd64_microsoft-windows-rdbss_31bf3856ad364e35_6.1.7600.20671_none_b65a38ce94338f06.manifest
File versionNot applicable
File size21,809
Date (UTC)18-Mar-2010
Time (UTC)20:19
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,906
Date (UTC)18-Mar-2010
Time (UTC)23:02
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
Collapse this tableExpand this table
File nameIa64_67a744d724788b5b95a88569b7a7d02c_31bf3856ad364e35_6.1.7600.20671_none_fcba5c1fc0f6cff2.manifest
File versionNot applicable
File size695
Date (UTC)18-Mar-2010
Time (UTC)23:02
PlatformNot applicable
File nameIa64_microsoft-windows-rdbss_31bf3856ad364e35_6.1.7600.20671_none_5a3d4140dbd426cc.manifest
File versionNot applicable
File size21,806
Date (UTC)18-Mar-2010
Time (UTC)20:18
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,684
Date (UTC)18-Mar-2010
Time (UTC)23:02
PlatformNot applicable

Applies to
  • Windows 7 Enterprise
  • Windows 7 Home Basic
  • Windows 7 Home Premium
  • Windows 7 Professional
  • Windows 7 Starter
  • Windows 7 Ultimate
  • Windows Server 2008 R2 Datacenter
  • Windows Server 2008 R2 Enterprise
  • Windows Server 2008 R2 Standard
  • Windows Server 2008 R2 for Itanium-Based Systems
  • Windows HPC Server 2008 R2
  • Windows Web Server 2008 R2
  • Windows Vista Service Pack 1, when used with:
    • Windows Vista Business
    • Windows Vista Enterprise
    • Windows Vista Home Basic
    • Windows Vista Home Premium
    • Windows Vista Starter
    • Windows Vista Ultimate
  • Windows Vista Service Pack 2, when used with:
    • Windows Vista Business
    • Windows Vista Enterprise
    • Windows Vista Home Basic
    • Windows Vista Home Premium
    • Windows Vista Starter
    • Windows Vista Ultimate
  • Windows Server 2008 Standard
  • Windows Server 2008 Standard without Hyper-V
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Service Pack 2, when used with:
    • Windows Server 2008 Standard
    • Windows Server 2008 Standard without Hyper-V
    • Windows Server 2008 Enterprise
    • Windows Server 2008 Enterprise without Hyper-V
    • Windows Server 2008 Datacenter
    • Windows Server 2008 Datacenter without Hyper-V
    • Windows Server 2008 for Itanium-Based Systems
Keywords: 
kbexpertiseinter kbsurveynew kbqfe kbautohotfix kbHotfixServer kbfix KB980663
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