Applications or services that use the NFS redirector may crash when a Linux-based client or a UNIX-based client disconnects from a Windows Server 2003 or Windows Server 2008 terminal server without logging off

Article ID: 959200 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • From a Linux-based computer or from a UNIX-based computer, you use a third-party Remote Desktop Protocol (RDP) client to connect to a Windows Server 2003 or Windows Server 2008 terminal server.
  • In the Terminal Services session, you map network drives to the Linux-based computer or to the UNIX-based computer by using Network File System (NFS).
  • When an application is running in the session, you disconnect from the terminal server without logging off.
In this scenario, applications or services that use the NFS redirector on the Windows Server 2003 terminal server may crash. For example, the Net.exe utility and the Pddm.exe utility use the NFS redirector. If you use an application to monitor the problematic server, the application may also crash.

When this problem occurs, you have to restart the terminal server to restore the connection to the Linux-based computer or to the UNIX-based computer.
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CAUSE

This problem occurs because a deadlock occurs in NFS after the client connection to the terminal server is reset.
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RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft. However, it is intended to correct only the problem that is described in this article. Apply it only to systems that are experiencing this specific problem. This hotfix may 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.

To resolve this problem immediately, contact Microsoft Customer Support Services to obtain the hotfix. For a complete list of Microsoft Customer Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
(http://support.microsoft.com/contactus/?ws=support)
Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

To apply this hotfix, you must be running Windows Server 2003 Service Pack 2 or Windows Server 2008 Service Pack 2 on the computer.

For more information about how to obtain a Windows Server 2003 service pack, click the following article number to view the article in the Microsoft Knowledge Base:
889100
(http://support.microsoft.com/kb/889100/ )
How to obtain the latest service pack for Windows Server 2003
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 must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English (United States) 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 2003 file information notes
  • In addition to the files that are listed in these tables, this hotfix also installs an associated security catalog file (KB959200.cat) that is signed with a Microsoft digital signature.
Windows Server 2003 with Service Pack 2, x86-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Nfsrdr.sys5.2.3790.3251324,09620-Nov-200811:10x86SP1SP1QFE
Nfsrdr.sys5.2.3790.4414324,60820-Nov-200815:16x86SP2SP2QFE
Windows Server 2003 with Service Pack 2, x64-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Nfsrdr.sys5.2.3790.3251480,25620-Nov-200822:11x64SP1SP1QFE
Nfsrdr.sys5.2.3790.4414480,76820-Nov-200822:24x64SP2SP2QFE
Windows Server 2003 with Service Pack 2, Itanium-based versions
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File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Nfsrdr.sys5.2.3790.3251858,11220-Nov-200822:06IA- 64SP1SP1QFE
Nfsrdr.sys5.2.3790.4414859,13620-Nov-200822:14IA-64SP2SP2QFE
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.
    Collapse this tableExpand this table
    VersionProductSR_LevelService branch
    6.0.600 2 . 22xxx 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" 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
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File nameFile versionFile sizeDateTimePlatform
Nfs-clientcore-ppdlic.xrm-msNot Applicable3,00120-Jun-201114:54Not Applicable
Nfsclnt.exe6.0.6002.2266351,20020-Jun-201113:02x86
Nfsnp.dll6.0.6002.2266360,92820-Jun-201115:12x86
Nfsrdr.mofNot Applicable4,44815-Mar-201106:12Not Applicable
Nfsrdr.sys6.0.6002.22663197,12020-Jun-201113:02x86
For all supported x64-based versions of Windows Server 2008
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File nameFile versionFile sizeDateTimePlatform
Nfs-clientcore-ppdlic.xrm-msNot Applicable3,00120-Jun-201115:12Not Applicable
Nfsclnt.exe6.0.6002.2266363,48820-Jun-201113:26x64
Nfsnp.dll6.0.6002.2266371,16820-Jun-201115:27x64
Nfsrdr.mofNot Applicable4,44815-Mar-201105:18Not Applicable
Nfsrdr.sys6.0.6002.22663238,08020-Jun-201113:25x64
For all supported IA-64-based versions of Windows Server 2008
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File nameFile versionFile sizeDateTimePlatform
Nfs-clientcore-ppdlic.xrm-msNot Applicable3,00120-Jun-201115:07Not Applicable
Nfsclnt.exe6.0.6002.22663148,48020-Jun-201113:30IA-64
Nfsnp.dll6.0.6002.22663156,67220-Jun-201115:26IA-64
Nfsrdr.mofNot Applicable4,44815-Mar-201106:07Not Applicable
Nfsrdr.sys6.0.6002.22663576,51220-Jun-201113:30IA-64
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STATUS

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

When the MRxCreateVNetRoot routine returns the STATUS_CONNECTION_RESET error code, the client connection to the terminal server is reset. 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
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MORE INFORMATION

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 Server 2008

Additional files for all supported x86-based versions of Windows Server 2008
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File nameUpdate.mum
File versionNot Applicable
File size3,057
Date (UTC)20-Jun-2011
Time (UTC)17:59
PlatformNot Applicable
File nameX86_beae40b42c23911b9f31161ba815287d_31bf3856ad364e35_6.0.6002.22663_none_8f8332366bae108d.manifest
File versionNot Applicable
File size702
Date (UTC)20-Jun-2011
Time (UTC)17:59
PlatformNot Applicable
File nameX86_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.0.6002.22663_none_af14bbee5905e7f5.manifest
File versionNot Applicable
File size40,434
Date (UTC)20-Jun-2011
Time (UTC)15:30
PlatformNot Applicable
Additional files for all supported x64-based versions of Windows Server 2008
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File nameAmd64_4034e2f57689958e2dc4b4baf226c2cb_31bf3856ad364e35_6.0.6002.22663_none_9906e6237def3d0e.manifest
File versionNot Applicable
File size706
Date (UTC)20-Jun-2011
Time (UTC)17:59
PlatformNot Applicable
File nameAmd64_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.0.6002.22663_none_0b3357721163592b.manifest
File versionNot Applicable
File size40,470
Date (UTC)20-Jun-2011
Time (UTC)15:44
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size3,081
Date (UTC)20-Jun-2011
Time (UTC)17:59
PlatformNot Applicable
Additional files for all supported IA-64-based versions of Windows Server 2008
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File nameIa64_a42843e713d6f7fa2c152da4639a92cf_31bf3856ad364e35_6.0.6002.22663_none_89acffd275ab72ef.manifest
File versionNot Applicable
File size704
Date (UTC)20-Jun-2011
Time (UTC)17:59
PlatformNot Applicable
File nameIa64_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.0.6002.22663_none_af165fe45903f0f1.manifest
File versionNot Applicable
File size40,452
Date (UTC)20-Jun-2011
Time (UTC)15:36
PlatformNot Applicable
File nameUpdate.mum
File versionNot Applicable
File size1,586
Date (UTC)20-Jun-2011
Time (UTC)17:59
PlatformNot Applicable
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Properties

Article ID: 959200 - Last Review: October 8, 2011 - Revision: 3.0
APPLIES TO
  • Microsoft Windows Server 2003, Web Edition
  • Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
  • Microsoft Windows Server 2003, Datacenter Edition for Itanium-Based Systems
  • Microsoft Windows Server 2003, Datacenter x64 Edition
  • Microsoft Windows Server 2003, Enterprise x64 Edition
  • Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
  • Microsoft Windows Server 2003, Enterprise Edition for Itanium-based Systems
  • Microsoft Windows Server 2003, Standard x64 Edition
  • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Windows Server 2008 Datacenter
  • Windows Server 2008 Datacenter without Hyper-V
  • Windows Server 2008 Enterprise
  • Windows Server 2008 Enterprise without Hyper-V
  • Windows Server 2008 for Itanium-Based Systems
  • Windows Server 2008 Standard
  • Windows Server 2008 Standard without Hyper-V
Keywords: 
kbexpertiseadvanced kbfix kbautohotfix kbsurveynew kbqfe KB959200
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