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Symptoms

The cluster IP for the guest cluster configuration is not updated correctly during failover in a Hyper-V Network Virtualization (HNV) environment. In this case, the guest cluster is not available to service users.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. 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, go to 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 update, you must first have update 2919355 installed on a computer that is running Windows 8.1 or Windows Server 2012 R2.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

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 8.1 and Windows Server 2012 R2 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" 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 8.1" 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 0.16 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

    6.3.960 0.17 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    DR

  • 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 8.1 and Windows Server 2012 R2" section. MUM 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 x64-based versions of Windows 8.1 and of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Wnv.sys

6.3.9600.17114

705,536

03-May-2014

07:35

x64

Vmsntfy.dll

6.3.9600.16384

88,576

22-Aug-2013

10:49

x64

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

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

File name

Amd64_3e3701fbba1402afab8125a8ef450fc6_31bf3856ad364e35_6.3.9600.17114_none_107e9f93c672f2be.manifest

File version

Not applicable

File size

695

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_9801120f2600aa297b6d561f302abe23_31bf3856ad364e35_6.3.9600.17114_none_61a91841d4663392.manifest

File version

Not applicable

File size

725

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_b643c2ffc238c263228aea764f1a21de_31bf3856ad364e35_6.3.9600.17114_none_6924f3c470d75847.manifest

File version

Not applicable

File size

715

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_eadab165e56a69141ec8f3c00b07c495_31bf3856ad364e35_6.3.9600.17114_none_7b8075b3e2386210.manifest

File version

Not applicable

File size

708

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_ff10f186f568824d1e94afb44a8548e5_31bf3856ad364e35_6.3.9600.17114_none_8671793fd47acab8.manifest

File version

Not applicable

File size

701

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_microsoft-hyper-v-d..ch-coresystem-state_31bf3856ad364e35_6.3.9600.17114_none_e89fb6fc43577d70.manifest

File version

Not applicable

File size

10,075

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_microsoft-hyper-v-drivers-vmswitch_31bf3856ad364e35_6.3.9600.17114_none_5a152e6e53db4aa1.manifest

File version

Not applicable

File size

7,637

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_microsoft-windows-ndis-lbfo_31bf3856ad364e35_6.3.9600.17114_none_026df58fea8f3828.manifest

File version

Not applicable

File size

21,645

Date (UTC)

03-May-2014

Time (UTC)

12:17

Platform

Not applicable

File name

Amd64_microsoft-windows-p..ideraddressresource_31bf3856ad364e35_6.3.9600.17114_none_3f738754d1adb75b.manifest

File version

Not applicable

File size

1,871

Date (UTC)

03-May-2014

Time (UTC)

12:17

Platform

Not applicable

File name

Amd64_microsoft-windows-wnv_31bf3856ad364e35_6.3.9600.17114_none_a0b00b892a829011.manifest

File version

Not applicable

File size

54,090

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_wvms_pp.inf_31bf3856ad364e35_6.3.9600.17114_none_53ef8848c520c395.manifest

File version

Not applicable

File size

3,379

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Amd64_wvms_pp_coresys.inf_31bf3856ad364e35_6.3.9600.17114_none_626d9b8b600fd3c4.manifest

File version

Not applicable

File size

3,411

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_1_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

2,304

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_2_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

1,908

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_3_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

2,004

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_4_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

1,873

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_5_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

1,847

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_6_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

1,836

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_7_for_kb2965733~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

2,074

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_for_kb2965733_rtm_gm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

3,086

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable

File name

Package_for_kb2965733_rtm~31bf3856ad364e35~amd64~~6.3.1.0.mum

File version

Not applicable

File size

3,680

Date (UTC)

04-May-2014

Time (UTC)

02:07

Platform

Not applicable


Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.

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