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Update to add Discrete Device Assignment support for Azure that runs on Windows Server 2012 R2-based guest VMs

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About this update

This article describes an update that adds Discrete Device Assignment (DDA) support to Windows Server 2012 R2-based guest virtual machines (VMs). The update is targeted towards those VMs that are running on Azure's N-Series GPU-based VMs or on-premises deployments of a later version of Windows Server 2012 R2. 

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How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

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

Operating systemUpdate
All supported x64-based versions of Windows Server 2012 R2Download Download the package now.
For more information about how to download Microsoft support files, select 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.

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Update detail information

Prerequisites

To install this update, you should first install April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows Server 2012 R2. 

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

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

Update replacement information

This update doesn't replace a previously released update.

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References

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

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File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.
Windows Server 2012 R2
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:
    VersionProductMilestoneService branch
    6.3.960 0.18 xxxWindows Server 2012 R2RTMGDR
  • 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 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.
x64 Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatformSP requirementService branch
Vpci.sys6.3.9600.1821972,02426-Jan-201619:15x64NoneNot applicable
Vpcivsp.sys6.3.9600.1821965,53626-Jan-201614:48x64SP.AMD64_WVPCIVSP
Vpcivsp.sys6.3.9600.1821965,53626-Jan-201614:48x64SP_AMD64_WVPCIVSP
Additional file information
x64 Windows Server 2012 R2
File propertyValue
File nameAmd64_wvpci.inf_31bf3856ad364e35_6.3.9600.18219_none_6e65b6b5b8a47d85.manifest
File versionNot applicable
File size1,752
Date (UTC)26-Jan-2016
Time (UTC)19:21
PlatformNot applicable
File nameAmd64_wvpcivsp.inf_31bf3856ad364e35_6.3.9600.18219_none_6fd0ad9bb353ca78.manifest
File versionNot applicable
File size2,118
Date (UTC)26-Jan-2016
Time (UTC)15:32
PlatformNot applicable
File nameAmd64_wvpcivsp_coresys.inf_31bf3856ad364e35_6.3.9600.18219_none_15b922e5c3f03741.manifest
File versionNot applicable
File size2,150
Date (UTC)26-Jan-2016
Time (UTC)15:32
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size2,078
Date (UTC)26-Jan-2016
Time (UTC)19:21
PlatformNot applicable

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Keywords: kb, atdownload, kbexpertiseadvanced, kbfix, kbsurveynew

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Article Info
Article ID : 3133690
Revision : 2
Created on : 4/9/2020
Published on : 4/9/2020
Exists online : False
Views : 280