This article describes an issue in which the Domain Name System Security Extensions (DNSSEC) validation fails on a Windows Server 2012 R2-based DNS server. Before you install this update, see the Prerequisites section.

Cause

This issue occurs if the DNSKEY query is targeted for a name that has DNAME configured. In this situation, the Windows Server 2012 R2-based DNS server responds back with the DNSKEY rather than the correct target name.

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 system

Update

All supported x64-based versions of Windows Server 2012 R2

Download 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.

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.

Known issue

After you install this update, the DNAME resolution by Microsoft DNS Servers will be changed.


Previously, you could query for the domain (type=ANY or type=A) example.com, and get back the the host (A) record for the DNAME. After you install this update, that query fails.


This change was made for compliancy with RFC 6672.

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.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.

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

    6.3.960 0.18 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 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 name

File version

File size

Date

Time

Platform

Cache.dns

Not applicable

3,198

18-Jun-2013

14:43

Not applicable

Dns.exe

6.3.9600.18227

1,735,680

03-Feb-2016

15:00

x64

Dnsserver.events.xml

Not applicable

609

18-Jun-2013

14:43

Not applicable


x64 Windows Server 2012 R2

File property

Value

File name

Amd64_085eab58468f0a0d477ce69bcae7ff0d_31bf3856ad364e35_6.3.9600.18227_none_11f30df5e736be69.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_0b3aff0f6c540295eaf99a283b509a8d_31bf3856ad364e35_6.3.9600.18227_none_acf113bef6fa186a.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_0d83aee37b3b818962069888a2250601_31bf3856ad364e35_6.3.9600.18227_none_7756cf23488a073c.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_1222184c6ebef25122e10cc8e20e60aa_31bf3856ad364e35_6.3.9600.18227_none_9fc8de2a80ebf6a0.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_408ef6a6c97a41dc1a410bac6b9e930e_31bf3856ad364e35_6.3.9600.18227_none_9244372c172c5237.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_4247c52f79e93d573c9752654375209e_31bf3856ad364e35_6.3.9600.18227_none_81303cb3a7ed8116.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_5b1257bd7e46202f4d7a35d34ee97145_31bf3856ad364e35_6.3.9600.18227_none_8aafa284b994af8e.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_6c4cfb42c9e09deb5e380531e557680c_31bf3856ad364e35_6.3.9600.18227_none_0f882db7e6779c47.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_899525807edfe2d78d9089577e0eb51a_31bf3856ad364e35_6.3.9600.18227_none_68e69321c053ee0f.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_8f0236c0e53295c174661b186df0875e_31bf3856ad364e35_6.3.9600.18227_none_be83357dc2982d76.manifest

File version

Not applicable

File size

710

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_8f62d4ac17a95e39b83ca2105bb17c3d_31bf3856ad364e35_6.3.9600.18227_none_21cd63d3be843d2c.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_c5078e3f60b2abb46af327d10bf05391_31bf3856ad364e35_6.3.9600.18227_none_d24c2e330240fda5.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_e75ebaaf583e27b3987ab0d69ec64b01_31bf3856ad364e35_6.3.9600.18227_none_74f559e52be4455b.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_de-de_a41b27144f20e16d.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_en-us_4d0bfd0d3dfeed32.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_es-es_4cd759f13e25ded7.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_fr-fr_ef8ecff030f7f539.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_it-it_d9b6c6370829dab7.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_ja-jp_7bdc4543fb44ec92.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_ko-kr_1f4621f8edb5b3a8.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_pt-br_4ea83391aab2ead1.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_ru-ru_962d14c18f03e8d9.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_zh-cn_ac92677b2520c744.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_zh-hk_ab3d600925fc39d4.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-d..r-service.resources_31bf3856ad364e35_6.3.9600.18227_zh-tw_b08ea4d12291a3b4.manifest

File version

Not applicable

File size

2,476

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable

File name

Amd64_microsoft-windows-dns-server-service_31bf3856ad364e35_6.3.9600.18227_none_3f07f670aa5879f9.manifest

File version

Not applicable

File size

287,181

Date (UTC)

03-Feb-2016

Time (UTC)

17:01

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

16,888

Date (UTC)

03-Feb-2016

Time (UTC)

20:32

Platform

Not applicable


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