This article describes an issue that occurs when you perform live migration and request virtual machine (VM) information at the same time in Windows Server 2012 R2. A hotfix is available to resolve this issue. The hotfix has a prerequisite.

Cause

This issue occurs because the Virtual Machine Management Service (vmms.exe) is stopped by an access violation. This occurs when you request VM configuration and status during the live migration.

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 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.

Prerequisites

To apply this update, you must have update 2919355 installed in Windows Server 2012 R2.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

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

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

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 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 0.17 xxx

    Windows Server 2012 R2

    RTM

    GDR

  • 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" 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 x64-based versions of Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Rdvgpuinfo.dll

6.3.9600.17396

61,440

08-Oct-2014

05:58

x64

Vmms.exe

6.3.9600.17665

13,784,576

22-Jan-2015

05:58

x64

Additional file information

Additional file information for Windows Server 2012 R2

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

File property

Value

File name

Amd64_0061349df1604e2f329c79735b131c9f_31bf3856ad364e35_6.3.9600.17665_none_4ebd38cf34304f50.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_00928882b5b6ac27539414668c668c6f_31bf3856ad364e35_6.3.9600.17665_none_7c80978d7767d77d.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_03b4753ff52f2477869ea18e03da5903_31bf3856ad364e35_6.3.9600.17665_none_cf73ef195edeb64f.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_0da9e719a04af1e2c6e09e75fc0dec94_31bf3856ad364e35_6.3.9600.17665_none_bec01d76fdedf6e0.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_11cd71c74d17975130be88b88a1f9ad7_31bf3856ad364e35_6.3.9600.17665_none_6b08dc9f5623e7de.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_15303a9df0a2e3023d2de67548cac00a_31bf3856ad364e35_6.3.9600.17665_none_98b51d64df8d3f77.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_1f1a767768a5a37588502671de1a992e_31bf3856ad364e35_6.3.9600.17665_none_71391cdbf901fdcb.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_2f563b8e773c807be95e6222167b96dd_31bf3856ad364e35_6.3.9600.17665_none_35b132588d390c49.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_505f406669e31da84d2f087ec8f3d1c5_31bf3856ad364e35_6.3.9600.17665_none_2c631318f53293f2.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_55c2e678ee5da8c14705341d1fd914ad_31bf3856ad364e35_6.3.9600.17665_none_ce0eab7aefccc663.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_702af6676984f7173d123dacc0f4c271_31bf3856ad364e35_6.3.9600.17665_none_438aba48af2fb4b2.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_70b34c145bf053e1680421f8253c8b66_31bf3856ad364e35_6.3.9600.17665_none_56b4457860080e17.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_9309ec05f6114f8556d25e12d42c06cf_31bf3856ad364e35_6.3.9600.17665_none_8e5c907bc442ae7b.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_a29650b81c34d016d665209733c427cb_31bf3856ad364e35_6.3.9600.17665_none_656660f4a0f270f9.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_acc85d64e813f50654eaca06e324713a_31bf3856ad364e35_6.3.9600.17665_none_696790b6cde5dab9.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_b5b10ba9e244741fe7e915252b7c17d3_31bf3856ad364e35_6.3.9600.17665_none_3d5e803679389fa9.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_b83b25923db3092f7a587b1739f83f61_31bf3856ad364e35_6.3.9600.17665_none_60baa38aa6a35fbe.manifest

File version

Not applicable

File size

703

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_b9302341d407053136763c37301fe399_31bf3856ad364e35_6.3.9600.17665_none_2b78d74d37f53afe.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_c2aacca3bfe770588c2c10f911236eda_31bf3856ad364e35_6.3.9600.17665_none_b83d8e7b44ec5c4c.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_c6f88ede4683be331324002f0ccc7b58_31bf3856ad364e35_6.3.9600.17665_none_3dc37aaebac6e124.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_c76a03246d8c6584080fe3544ec80e84_31bf3856ad364e35_6.3.9600.17665_none_943683cc38c887dc.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_e5fa1a0296c7b42bb40f504c9047d567_31bf3856ad364e35_6.3.9600.17665_none_4968b63f5c8b2f7c.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_e7e76b23f44ea23f5a776a63db540a3d_31bf3856ad364e35_6.3.9600.17665_none_288f9fea03c1e029.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_fb694c280c07e34d43c6bef731d3bb59_31bf3856ad364e35_6.3.9600.17665_none_c6454de55a061aed.manifest

File version

Not applicable

File size

711

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

Platform

Not applicable

File name

Amd64_microsoft-hyper-v-vstack-vmms_31bf3856ad364e35_6.3.9600.17665_none_276af6b732d2aebb.manifest

File version

Not applicable

File size

1,296,527

Date (UTC)

22-Jan-2015

Time (UTC)

20:49

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

See the terminology that Microsoft uses to describe software updates.

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