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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 systemUpdate
All supported x86-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows 7DownloadDownload the package now.
All supported x64-based versions of Windows Server 2008 R2DownloadDownload the package now.
All supported IA-64-based versions of Windows Server 2008 R2DownloadDownload 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: 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.
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

File 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:
    VersionProductMilestoneService branch
    6.3.960 0.17xxxWindows 8.1 and Windows Server 2012 R2RTMGDR
  • 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 nameFile versionFile sizeDateTimePlatform
Tdx.sys6.3.9600.1762386,52830-Dec-201402:24x86
For all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Tdx.sys6.3.9600.17623108,54430-Dec-201403:06x64

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 1.18xxxWindows 7 or Windows Server 2008 R2 SP1GDR
    6.1.760 1.22 xxxWindows 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 nameFile versionFile sizeDateTimePlatform
Tdx.sys6.1.7601.1865874,75211-Nov-201401:32x86
Tdx.sys6.1.7601.2286574,75211-Nov-201401:40x86
For all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Tdx.sys6.1.7601.18658119,29611-Nov-201401:46x64
Tdx.sys6.1.7601.22865118,27211-Nov-201401:56x64
For all supported IA-64-based versions of Windows Server 2008 R2
File nameFile versionFile sizeDateTimePlatform
Tdx.sys6.1.7601.18658236,03211-Nov-201401:25IA-64
Tdx.sys6.1.7601.22865236,54411-Nov-201401:24IA-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 propertyValue
File nameX86_d166035b018b408e1b409dbea1495178_31bf3856ad364e35_6.3.9600.17623_none_1dfbbc83df023c2c.manifest
File versionNot applicable
File size702
Date (UTC)30-Dec-2014
Time (UTC)17:20
PlatformNot applicable
File nameX86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.3.9600.17623_none_7f1d5afaf77f8e0e.manifest
File versionNot applicable
File size2,963
Date (UTC)30-Dec-2014
Time (UTC)03:18
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File propertyValue
File nameAmd64_5ba7e16a8f3170e4c42a4d6ea02b33da_31bf3856ad364e35_6.3.9600.17623_none_aa0753ebab4d7f7d.manifest
File versionNot applicable
File size706
Date (UTC)30-Dec-2014
Time (UTC)17:20
PlatformNot applicable
File nameAmd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.3.9600.17623_none_db3bf67eafdcff44.manifest
File versionNot applicable
File size2,965
Date (UTC)30-Dec-2014
Time (UTC)04:06
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
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size2,138
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameX86_8f4b93184073e8d09aa1ab7465d5dc7d_31bf3856ad364e35_6.1.7601.22865_none_93435de0b1770ae1.manifest
File versionNot applicable
File size702
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameX86_e1df7c9b2cc967a153e942e6f5306a60_31bf3856ad364e35_6.1.7601.18658_none_6c3386ba6d429b5d.manifest
File versionNot applicable
File size702
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameX86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.18658_none_ec1ddecd3a74adaa.manifest
File versionNot applicable
File size2,924
Date (UTC)11-Nov-2014
Time (UTC)03:07
PlatformNot applicable
File nameX86_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.22865_none_ec99acb4539d1a87.manifest
File versionNot applicable
File size2,924
Date (UTC)11-Nov-2014
Time (UTC)03:46
PlatformNot applicable
Additional files for all supported x64-based versions of Windows 7 and of Windows Server 2008 R2
File propertyValue
File nameAmd64_64f1268ac63816d334b6731f6821a6f2_31bf3856ad364e35_6.1.7601.22865_none_2c837590554c9b45.manifest
File versionNot applicable
File size706
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameAmd64_be46c260ed3feac15d24bdf9f2212505_31bf3856ad364e35_6.1.7601.18658_none_2c7f837bc2410781.manifest
File versionNot applicable
File size706
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameAmd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.18658_none_483c7a50f2d21ee0.manifest
File versionNot applicable
File size2,926
Date (UTC)11-Nov-2014
Time (UTC)03:56
PlatformNot applicable
File nameAmd64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.22865_none_48b848380bfa8bbd.manifest
File versionNot applicable
File size2,926
Date (UTC)11-Nov-2014
Time (UTC)04:19
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,352
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
Additional files for all supported IA-64-based versions of Windows Server 2008 R2
File propertyValue
File nameIa64_7f1e92ffd401149c928518b6f9f7e539_31bf3856ad364e35_6.1.7601.22865_none_dcae6d9251c75a58.manifest
File versionNot applicable
File size704
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameIa64_fc25a9a0f6f4acf9eed4f8b0f3ed8111_31bf3856ad364e35_6.1.7601.18658_none_a6e819b31eb5bfc5.manifest
File versionNot applicable
File size704
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
File nameIa64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.18658_none_ec1f82c33a72b6a6.manifest
File versionNot applicable
File size2,925
Date (UTC)11-Nov-2014
Time (UTC)03:13
PlatformNot applicable
File nameIa64_microsoft-windows-tdi-over-tcpip_31bf3856ad364e35_6.1.7601.22865_none_ec9b50aa539b2383.manifest
File versionNot applicable
File size2,925
Date (UTC)11-Nov-2014
Time (UTC)03:44
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,447
Date (UTC)11-Nov-2014
Time (UTC)12:01
PlatformNot applicable
See How to disable IPv6 to understand the DisabledComponents registry entry.
References
See the terminology that Microsoft uses to describe software updates.
Properties

Article ID: 3014406 - Last Review: 03/11/2015 00:13:00 - Revision: 2.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows Server 2008 R2 Service Pack 1, Windows 7 Service Pack 1

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