Startup delay occurs after you disable IPv6 in Windows

Symptoms

You may experience an additional five seconds delay during the startup of Windows 8.1, Windows Server 2012 R2, Windows 7 Service Pack 1 (SP1) or Windows Server 2008 R2 SP1.

Cause

This issue occurs because the code to avoid waiting for IPv6 to register with the network stack is not recognized correctly when IPv6 is manually disabled.

How to obtain this update or hotfix

To resolve this issue, we have released an update for Windows 7 or Windows Server 2008 R2. We also have released a hotfix for Windows 8.1 or Windows Server 2012 R2. Before you install this update or hotfix, check the Prerequisites section in this article.

Method 1: Windows Update

This update is available from Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center:

Operating system

Update

All supported x86-based versions of Windows 7

Download Download the package now.

All supported x64-based versions of Windows 7

Download Download the package now.

All supported x64-based versions of Windows Server 2008 R2

Download Download the package now.

All supported IA-64-based versions of Windows Server 2008 R2

Download Download the package now.


For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

Method 3: Hotfix package for Windows Server 2012 R2 and Windows 8.1 

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 this specific problem.

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, submit a request to 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.

Update or hotfix detail information

Prerequisites

To install this update or hotfix, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2. Or, install Service Pack 1 for Windows 7 or Windows Server 2008 R2.

Registry information

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

Restart requirement

You may have to restart the computer after you apply this update or hotfix.

Update or hotfix replacement information

This update or hotfix does not replace a previously released update or hotfix.

More Information

The global version of this update 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 8.1 and Windows Server 2012 R2 file information and notes

Important Windows 8.1 hotfixes and Windows Server 2012 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 8.1/Windows Server 2012 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

    6.3.960 0.17xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information Windows 8.1 and for Windows Server 2012 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 8.1

File name

File version

File size

Date

Time

Platform

Tdx.sys

6.3.9600.17623

86,528

30-Dec-2014

02:24

x86

For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Tdx.sys

6.3.9600.17623

108,544

30-Dec-2014

03:06

x64

Windows 7 and Windows Server 2008 R2 file information and 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 1.18xxx

    Windows 7 or Windows Server 2008 R2

    SP1

    GDR

    6.1.760 1.22 xxx

    Windows 7 or Windows Server 2008 R2

    SP1

    LDR

  • GDR service branches contain only those fixes that are widely released to address widespread, critical 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 Windows 7 and for Windows Server 2008 R2" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very 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 7

File name

File version

File size

Date

Time

Platform

Tdx.sys

6.1.7601.18658

74,752

11-Nov-2014

01:32

x86

Tdx.sys

6.1.7601.22865

74,752

11-Nov-2014

01:40

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

Tdx.sys

6.1.7601.18658

119,296

11-Nov-2014

01:46

x64

Tdx.sys

6.1.7601.22865

118,272

11-Nov-2014

01:56

x64

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

File name

File version

File size

Date

Time

Platform

Tdx.sys

6.1.7601.18658

236,032

11-Nov-2014

01:25

IA-64

Tdx.sys

6.1.7601.22865

236,544

11-Nov-2014

01:24

IA-64

Additional file information

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_d166035b018b408e1b409dbea1495178_31bf3856ad364e35_6.3.9600.17623_none_1dfbbc83df023c2c.manifest

File version

Not applicable

File size

702

Date (UTC)

30-Dec-2014

Time (UTC)

17:20

Platform

Not applicable

File name

X86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.3.9600.17623_none_7f1d5afaf77f8e0e.manifest

File version

Not applicable

File size

2,963

Date (UTC)

30-Dec-2014

Time (UTC)

03:18

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File property

Value

File name

Amd64_5ba7e16a8f3170e4c42a4d6ea02b33da_31bf3856ad364e35_6.3.9600.17623_none_aa0753ebab4d7f7d.manifest

File version

Not applicable

File size

706

Date (UTC)

30-Dec-2014

Time (UTC)

17:20

Platform

Not applicable

File name

Amd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.3.9600.17623_none_db3bf67eafdcff44.manifest

File version

Not applicable

File size

2,965

Date (UTC)

30-Dec-2014

Time (UTC)

04:06

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 property

Value

File name

Update.mum

File version

Not applicable

File size

2,138

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

X86_8f4b93184073e8d09aa1ab7465d5dc7d_31bf3856ad364e35_6.1.7601.22865_none_93435de0b1770ae1.manifest

File version

Not applicable

File size

702

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

X86_e1df7c9b2cc967a153e942e6f5306a60_31bf3856ad364e35_6.1.7601.18658_none_6c3386ba6d429b5d.manifest

File version

Not applicable

File size

702

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

X86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.18658_none_ec1ddecd3a74adaa.manifest

File version

Not applicable

File size

2,924

Date (UTC)

11-Nov-2014

Time (UTC)

03:07

Platform

Not applicable

File name

X86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.22865_none_ec99acb4539d1a87.manifest

File version

Not applicable

File size

2,924

Date (UTC)

11-Nov-2014

Time (UTC)

03:46

Platform

Not applicable

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

File property

Value

File name

Amd64_64f1268ac63816d334b6731f6821a6f2_31bf3856ad364e35_6.1.7601.22865_none_2c837590554c9b45.manifest

File version

Not applicable

File size

706

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

Amd64_be46c260ed3feac15d24bdf9f2212505_31bf3856ad364e35_6.1.7601.18658_none_2c7f837bc2410781.manifest

File version

Not applicable

File size

706

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

Amd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.18658_none_483c7a50f2d21ee0.manifest

File version

Not applicable

File size

2,926

Date (UTC)

11-Nov-2014

Time (UTC)

03:56

Platform

Not applicable

File name

Amd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.22865_none_48b848380bfa8bbd.manifest

File version

Not applicable

File size

2,926

Date (UTC)

11-Nov-2014

Time (UTC)

04:19

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

2,352

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

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

File property

Value

File name

Ia64_7f1e92ffd401149c928518b6f9f7e539_31bf3856ad364e35_6.1.7601.22865_none_dcae6d9251c75a58.manifest

File version

Not applicable

File size

704

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

Ia64_fc25a9a0f6f4acf9eed4f8b0f3ed8111_31bf3856ad364e35_6.1.7601.18658_none_a6e819b31eb5bfc5.manifest

File version

Not applicable

File size

704

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable

File name

Ia64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.18658_none_ec1f82c33a72b6a6.manifest

File version

Not applicable

File size

2,925

Date (UTC)

11-Nov-2014

Time (UTC)

03:13

Platform

Not applicable

File name

Ia64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.22865_none_ec9b50aa539b2383.manifest

File version

Not applicable

File size

2,925

Date (UTC)

11-Nov-2014

Time (UTC)

03:44

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,447

Date (UTC)

11-Nov-2014

Time (UTC)

12:01

Platform

Not applicable


See How to disable IPv6 to understand the DisabledComponents registry entry.

References

See the terminology that Microsoft uses to describe software updates.

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