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Symptoms

A hotfix is available for the following two issues.

Issue 1

Assume Assume that you try to use a Universal Naming Convention (UNC) path to access a network file system (NFS) share from a computer that is running one of the following operating systems:

  • Windows Vista

  • Windows Server 2008

  • Windows 7

  • Windows Server 2008 R2

The NFS share is hosted on a UNIX-based NFS server. In this situation, you cannot access the NFS share. Additionally, you receive the following error message:

Network error

Issue 2

Assume that you use a UNC path to access an NFS share from a computer that is running one of the following operating systems:

  • Windows Vista

  • Windows Server 2008

  • Windows 7

  • Windows Server 2008 R2.

The NFS share is hosted on a UNIX-based NFS server. However, when you try to save some files to the NFS share by using an application such as Notepad or Wordpad, you receive the following error message:

Filename not valid

Cause

This issue occurs because Windows does not locate the NFS share correctly.

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 website:

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)

  • Windows 7 Service Pack 1 (SP1)

  • Windows Server 2008 R2 Service Pack 1 (SP1)

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

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932 Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You do not 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 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 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 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

File name

File version

File size

Date

Time

Platform

Nfs-clientcore-ppdlic.xrm-ms

Not applicable

3,001

20-Feb-2012

14:56

Not applicable

Nfsclnt.exe

6.0.6002.22801

51,200

20-Feb-2012

13:32

x86

Nfsnp.dll

6.0.6002.22801

60,928

20-Feb-2012

15:05

x86

Nfsrdr.mof

Not applicable

4,448

09-Sep-2011

11:48

Not applicable

Nfsrdr.sys

6.0.6002.22801

197,120

20-Feb-2012

13:32

x86

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

File name

File version

File size

Date

Time

Platform

Nfs-clientcore-ppdlic.xrm-ms

Not applicable

3,001

20-Feb-2012

15:44

Not applicable

Nfsclnt.exe

6.0.6002.22801

63,488

20-Feb-2012

14:10

x64

Nfsnp.dll

6.0.6002.22801

71,168

20-Feb-2012

16:03

x64

Nfsrdr.mof

Not applicable

4,448

01-Dec-2011

11:39

Not applicable

Nfsrdr.sys

6.0.6002.22801

238,080

20-Feb-2012

14:10

x64

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

File name

File version

File size

Date

Time

Platform

Nfs-clientcore-ppdlic.xrm-ms

Not applicable

3,001

20-Feb-2012

14:26

Not applicable

Nfsclnt.exe

6.0.6002.22801

148,480

20-Feb-2012

13:09

IA-64

Nfsnp.dll

6.0.6002.22801

156,672

20-Feb-2012

14:33

IA-64

Nfsrdr.mof

Not applicable

4,448

15-Mar-2011

06:07

Not applicable

Nfsrdr.sys

6.0.6002.22801

576,512

20-Feb-2012

13:09

IA-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 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:

    Version

    Product

    Milestone

    Service branch

    6.1.760
    1.21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    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 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

File name

File version

File size

Date

Time

Platform

Nfs-clientcore-ppdlic.xrm-ms

Not applicable

3,001

10-Feb-2012

05:48

Not applicable

Nfsclnt.exe

6.1.7601.21920

52,736

10-Feb-2012

05:26

x86

Nfsnp.dll

6.1.7601.21920

59,904

10-Feb-2012

05:29

x86

Nfsrdr.mof

Not applicable

4,471

10-Jun-2009

21:40

Not applicable

Nfsrdr.sys

6.1.7601.21920

202,240

10-Feb-2012

03:20

x86

For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Nfs-clientcore-ppdlic.xrm-ms

Not applicable

3,001

10-Feb-2012

06:43

Not applicable

Nfsclnt.exe

6.1.7601.21920

65,536

10-Feb-2012

06:21

x64

Nfsnp.dll

6.1.7601.21920

72,192

10-Feb-2012

06:25

x64

Nfsrdr.mof

Not applicable

4,471

10-Jun-2009

21:02

Not applicable

Nfsrdr.sys

6.1.7601.21920

247,296

10-Feb-2012

03:39

x64

For all supported IA-64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Nfs-clientcore-ppdlic.xrm-ms

Not applicable

3,001

10-Feb-2012

05:40

Not applicable

Nfsclnt.exe

6.1.7601.21920

156,160

10-Feb-2012

05:17

IA-64

Nfsnp.dll

6.1.7601.21920

159,232

10-Feb-2012

05:21

IA-64

Nfsrdr.mof

Not applicable

4,471

10-Jun-2009

21:07

Not applicable

Nfsrdr.sys

6.1.7601.21920

587,776

10-Feb-2012

03:01

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 the Remote Programs (also known as RAIL) feature in Remote Desktop Protocol (RDP), visit the following Microsoft website:

General information about the Remote Programs featureFor 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

X86_dafd514acee53fbe7179252e36ddef05_31bf3856ad364e35_6.0.6002.22801_none_0cf76604d967a965.manifest

File version

Not applicable

File size

702

Date (UTC)

20-Feb-2012

Time (UTC)

18:43

Platform

Not applicable

File name

X86_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.0.6002.22801_none_af539eae58d707ef.manifest

File version

Not applicable

File size

40,434

Date (UTC)

20-Feb-2012

Time (UTC)

15:18

Platform

Not applicable

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

File name

Amd64_0634b1b71cb91549d5412e8960204b57_31bf3856ad364e35_6.0.6002.22801_none_f06b206280fea077.manifest

File version

Not applicable

File size

706

Date (UTC)

20-Feb-2012

Time (UTC)

18:43

Platform

Not applicable

File name

Amd64_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.0.6002.22801_none_0b723a3211347925.manifest

File version

Not applicable

File size

40,470

Date (UTC)

20-Feb-2012

Time (UTC)

16:18

Platform

Not applicable

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

File name

Ia64_11cfc0218df2f825e975335eb9c63957_31bf3856ad364e35_6.0.6002.22801_none_b932cf42a5a93c74.manifest

File version

Not applicable

File size

704

Date (UTC)

20-Feb-2012

Time (UTC)

18:43

Platform

Not applicable

File name

Ia64_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.0.6002.22801_none_af5542a458d510eb.manifest

File version

Not applicable

File size

40,452

Date (UTC)

20-Feb-2012

Time (UTC)

14:42

Platform

Not applicable

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

Additional files for all supported x86-based versions of Windows 7

File name

X86_d709172b37b2b637def68571ed168f61_31bf3856ad364e35_6.1.7601.21920_none_af1d78bd20503e23.manifest

File version

Not applicable

File size

702

Date (UTC)

10-Feb-2012

Time (UTC)

09:27

Platform

Not applicable

File name

X86_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.1.7601.21920_none_af64b809b9ff7d03.manifest

File version

Not applicable

File size

28,372

Date (UTC)

10-Feb-2012

Time (UTC)

05:57

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2

File name

Amd64_85543a0e77430e4c92cc2a3a5a6b561c_31bf3856ad364e35_6.1.7601.21920_none_c43e68dc05df04f3.manifest

File version

Not applicable

File size

706

Date (UTC)

10-Feb-2012

Time (UTC)

09:27

Platform

Not applicable

File name

Amd64_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.1.7601.21920_none_0b83538d725cee39.manifest

File version

Not applicable

File size

28,376

Date (UTC)

10-Feb-2012

Time (UTC)

06:54

Platform

Not applicable

Additional files for all supported IA-64-based versions of Windows Server 2008 R2

File name

Ia64_4a86757ed45aa6486695d33b5b907286_31bf3856ad364e35_6.1.7601.21920_none_db925cd3adfe73e3.manifest

File version

Not applicable

File size

704

Date (UTC)

10-Feb-2012

Time (UTC)

09:27

Platform

Not applicable

File name

Ia64_microsoft-windows-nfs-clientcore_31bf3856ad364e35_6.1.7601.21920_none_af665bffb9fd85ff.manifest

File version

Not applicable

File size

28,374

Date (UTC)

10-Feb-2012

Time (UTC)

06:48

Platform

Not applicable

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

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