Symptoms

Consider the following scenario:

  • You have an Active Directory domain environment.

  • You have a Windows 7 Service Pack 1 (SP1) installation image or a Windows Server 2008 R2 Service Pack 1 (SP1) installation image.

  • You try to deploy the installation image to a client computer.

  • A VPN session is established on the computer before the deployment is completed and the computer restarts.

In this scenario, the VPN session may only work intermittently while it communicates with the other domain resources. Therefore, the deployment cannot be completed.

For example, an application may use the VPN session to retrieve remote resources in the domain. In this example, the application crashes when it is retrieving the resources.

Note You may also notice this issue in the following scenario:

  • You open Network Connections under Network and Internet in Control Panel.

  • You double-click the VPN adapter, and the Status dialog box opens to the General tab.

  • You click Details on the General tab.

In this scenario, the dialog box stops responding, and "Not Responding" is added to the title of the dialog box.

Cause

This issue occurs because of a deadlock between DHCP client service and the DNS client service.This in turn prevents DNS queries from fetching the results.

Resolution

To resolve this issue, apply the following hotfix to the Windows 7 Service Pack 1 (SP1) installation image or to the Windows Server 2008 R2 Service Pack 1 (SP1) installation image.

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 that is 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 exist, 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 7

  • Windows 7 with Service Pack 1 (SP1)

  • Windows Server 2008 R2

  • Windows Server 2008 R2 with Service Pack 1 (SP1)

For more information about how to obtain a Windows 7 service pack or a 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 use the hotfix in this package, you do not have to make any changes to the registry.

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 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 7 and Windows Server 2008 R2 file information notes


  • 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
    0.16xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    GDR

    6.1.760
    0.20xxx

    Windows 7 and Windows Server 2008 R2

    RTM

    LDR

    6.1.760
    1.21xxx

    Windows 7 and Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, very important issues. LDR service branches contain hotfixes in addition to widely released fixes.

  • 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 very important to maintaining 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 7

File name

File version

File size

Date

Time

Platform

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:24

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

11,264

14-Jul-2009

01:15

x86

Dhcpcore.dll

6.1.7600.20969

253,952

19-May-2011

05:32

x86

Dhcpcore6.dll

6.1.7600.16385

191,488

14-Jul-2009

01:15

x86

Dhcpcsvc.dll

6.1.7600.16385

61,952

14-Jul-2009

01:15

x86

Dhcpcsvc6.dll

6.1.7600.16385

43,008

14-Jul-2009

01:15

x86

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:24

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

11,264

14-Jul-2009

01:15

x86

Dhcpcore.dll

6.1.7601.21730

254,464

19-May-2011

06:03

x86

Dhcpcore6.dll

6.1.7600.16385

191,488

14-Jul-2009

01:15

x86

Dhcpcsvc.dll

6.1.7600.16385

61,952

14-Jul-2009

01:15

x86

Dhcpcsvc6.dll

6.1.7600.16385

43,008

14-Jul-2009

01:15

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

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:19

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

13,824

14-Jul-2009

01:40

x64

Dhcpcore.dll

6.1.7600.20969

315,392

19-May-2011

05:55

x64

Dhcpcore6.dll

6.1.7600.16385

224,256

14-Jul-2009

01:40

x64

Dhcpcsvc.dll

6.1.7600.16385

87,040

14-Jul-2009

01:40

x64

Dhcpcsvc6.dll

6.1.7600.16385

54,272

14-Jul-2009

01:40

x64

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:19

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

13,824

14-Jul-2009

01:40

x64

Dhcpcore.dll

6.1.7601.21730

317,952

19-May-2011

05:51

x64

Dhcpcore6.dll

6.1.7600.16385

224,256

14-Jul-2009

01:40

x64

Dhcpcsvc.dll

6.1.7600.16385

87,040

14-Jul-2009

01:40

x64

Dhcpcsvc6.dll

6.1.7600.16385

54,272

14-Jul-2009

01:40

x64

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:24

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

11,264

14-Jul-2009

01:15

x86

Dhcpcore.dll

6.1.7600.20969

253,952

19-May-2011

05:32

x86

Dhcpcore6.dll

6.1.7600.16385

191,488

14-Jul-2009

01:15

x86

Dhcpcsvc.dll

6.1.7600.16385

61,952

14-Jul-2009

01:15

x86

Dhcpcsvc6.dll

6.1.7600.16385

43,008

14-Jul-2009

01:15

x86

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:24

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

11,264

14-Jul-2009

01:15

x86

Dhcpcore.dll

6.1.7601.21730

254,464

19-May-2011

06:03

x86

Dhcpcore6.dll

6.1.7600.16385

191,488

14-Jul-2009

01:15

x86

Dhcpcsvc.dll

6.1.7600.16385

61,952

14-Jul-2009

01:15

x86

Dhcpcsvc6.dll

6.1.7600.16385

43,008

14-Jul-2009

01:15

x86

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

File name

File version

File size

Date

Time

Platform

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:19

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

27,136

14-Jul-2009

01:46

IA-64

Dhcpcore.dll

6.1.7600.20969

615,936

19-May-2011

04:59

IA-64

Dhcpcore6.dll

6.1.7600.16385

463,872

14-Jul-2009

01:46

IA-64

Dhcpcsvc.dll

6.1.7600.16385

162,304

14-Jul-2009

01:46

IA-64

Dhcpcsvc6.dll

6.1.7600.16385

86,528

14-Jul-2009

01:46

IA-64

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:19

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

27,136

14-Jul-2009

01:46

IA-64

Dhcpcore.dll

6.1.7601.21730

618,496

19-May-2011

04:58

IA-64

Dhcpcore6.dll

6.1.7600.16385

463,872

14-Jul-2009

01:46

IA-64

Dhcpcsvc.dll

6.1.7600.16385

162,304

14-Jul-2009

01:46

IA-64

Dhcpcsvc6.dll

6.1.7600.16385

86,528

14-Jul-2009

01:46

IA-64

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:24

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

11,264

14-Jul-2009

01:15

x86

Dhcpcore.dll

6.1.7600.20969

253,952

19-May-2011

05:32

x86

Dhcpcore6.dll

6.1.7600.16385

191,488

14-Jul-2009

01:15

x86

Dhcpcsvc.dll

6.1.7600.16385

61,952

14-Jul-2009

01:15

x86

Dhcpcsvc6.dll

6.1.7600.16385

43,008

14-Jul-2009

01:15

x86

Dhcpclientdll.ptxml

Not applicable

5,597

13-Jul-2009

20:24

Not applicable

Dhcpcmonitor.dll

6.1.7600.16385

11,264

14-Jul-2009

01:15

x86

Dhcpcore.dll

6.1.7601.21730

254,464

19-May-2011

06:03

x86

Dhcpcore6.dll

6.1.7600.16385

191,488

14-Jul-2009

01:15

x86

Dhcpcsvc.dll

6.1.7600.16385

61,952

14-Jul-2009

01:15

x86

Dhcpcsvc6.dll

6.1.7600.16385

43,008

14-Jul-2009

01:15

x86

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 7 and for Windows Server 2008 R2

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

File name

Update.mum

File version

Not applicable

File size

2,773

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

X86_e3aaafbd5e2380e25b7068ca3b91187f_31bf3856ad364e35_6.1.7600.20969_none_7b0b4392671ea489.manifest

File version

Not applicable

File size

703

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

X86_e5146c9f7e4f26724762485904dd435f_31bf3856ad364e35_6.1.7601.21730_none_c7a878845d6744d0.manifest

File version

Not applicable

File size

703

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

X86_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7600.20969_none_d7d3c70ca8ed23f2.manifest

File version

Not applicable

File size

95,014

Date (UTC)

19-May-2011

Time (UTC)

21:11

Platform

Not applicable

File name

X86_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7601.21730_none_d9d1913ca60357fc.manifest

File version

Not applicable

File size

95,014

Date (UTC)

19-May-2011

Time (UTC)

21:11

Platform

Not applicable

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

File name

Amd64_7cb058df7de729c6caaed3135731dc55_31bf3856ad364e35_6.1.7600.20969_none_b6b5dd860a339635.manifest

File version

Not applicable

File size

1,054

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

Amd64_bfccff44c1370e5f1ac5e0529d6a1516_31bf3856ad364e35_6.1.7601.21730_none_eca6f89b08b0b3e4.manifest

File version

Not applicable

File size

707

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

Amd64_f36ffe65d3fe7aa8fa9833c55fb361a5_31bf3856ad364e35_6.1.7600.20969_none_c2c1946e2c5480ba.manifest

File version

Not applicable

File size

707

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

Amd64_f8fbf6257bbc6509ee3579b710acc6b0_31bf3856ad364e35_6.1.7601.21730_none_f47901611b8a8be1.manifest

File version

Not applicable

File size

1,054

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

Amd64_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7600.20969_none_33f26290614a9528.manifest

File version

Not applicable

File size

95,032

Date (UTC)

19-May-2011

Time (UTC)

21:14

Platform

Not applicable

File name

Amd64_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7601.21730_none_35f02cc05e60c932.manifest

File version

Not applicable

File size

95,032

Date (UTC)

19-May-2011

Time (UTC)

21:14

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

3,215

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

X86_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7600.20969_none_d7d3c70ca8ed23f2.manifest

File version

Not applicable

File size

95,014

Date (UTC)

19-May-2011

Time (UTC)

21:14

Platform

Not applicable

File name

X86_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7601.21730_none_d9d1913ca60357fc.manifest

File version

Not applicable

File size

95,014

Date (UTC)

19-May-2011

Time (UTC)

21:14

Platform

Not applicable

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

File name

Ia64_007acbc14afc765466349615b476c129_31bf3856ad364e35_6.1.7601.21730_none_ed3ea699c03544c4.manifest

File version

Not applicable

File size

1,052

Date (UTC)

19-May-2011

Time (UTC)

21:06

Platform

Not applicable

File name

Ia64_819df227154ec506fc53771ee2bbddbf_31bf3856ad364e35_6.1.7600.20969_none_937611891d9e8bd7.manifest

File version

Not applicable

File size

1,052

Date (UTC)

19-May-2011

Time (UTC)

21:06

Platform

Not applicable

File name

Ia64_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7600.20969_none_d7d56b02a8eb2cee.manifest

File version

Not applicable

File size

95,023

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

Ia64_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7601.21730_none_d9d33532a60160f8.manifest

File version

Not applicable

File size

95,023

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,168

Date (UTC)

19-May-2011

Time (UTC)

21:06

Platform

Not applicable

File name

X86_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7600.20969_none_d7d3c70ca8ed23f2.manifest

File version

Not applicable

File size

95,014

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

File name

X86_microsoft-windows-dhcp-client-dll_31bf3856ad364e35_6.1.7601.21730_none_d9d1913ca60357fc.manifest

File version

Not applicable

File size

95,014

Date (UTC)

19-May-2011

Time (UTC)

21:07

Platform

Not applicable

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