Summary

This security update resolves a vulnerability in Active Directory that could allow denial of service if an authenticated attacker creates multiple machine accounts. To exploit the vulnerability, an attacker must have an account that has privileges to join machines to the domain. 

To learn more about the vulnerability, see Microsoft Security Bulletin MS16-081.

More Information

Important

  • All future security and non-security updates for Windows Server 2012 R2 require update 2919355 to be installed. We recommend that you install update 2919355 on your Windows Server 2012 R2-based computer so that you receive future updates.

  • 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.

How to obtain and install the update

Method 1: Windows Update

This update is available through Windows Update. When you turn on automatic updating, this update will be downloaded and installed automatically. For more information about how to turn on automatic updating, see
Get security updates automatically.

You can obtain the stand-alone update package through the Microsoft Download Center. Follow the installation instructions on the download page to install the update.

Click the download link in Microsoft Security Bulletin MS16-081 that corresponds to the version of Windows that you are running.

More Information

Windows Server 2008 R2 (all editions)Reference Table

The following table contains the security update information for this software.

Security update file name

For all supported x64-based editions of Windows Server 2008 R2:
Windows6.1-KB3160352-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

Yes, you must restart your system after you apply this security update.

Removal information

To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, and then under Windows Update, click View installed updates and select from the list of updates.

File information

See the file information section

Registry key verification

Note A registry key does not exist to validate the presence of this update.

Windows Server 2012 and Windows Server 2012 R2 (all editions)Reference Table

The following table contains the security update information for this software.

Security update file name

For all supported editions of Windows Server 2012:
Windows8-RT-KB3160352-x64.msu

For all supported editions of Windows Server 2012 R2:
Windows8.1-KB3160352-x64.msu

Installation switches

See Microsoft Knowledge Base Article 934307

Restart requirement

Yes, you must restart your system after you apply this security update.

Removal information

To uninstall an update installed by WUSA, use the /Uninstall setup switch or click Control Panel, click System and Security, click Windows Update, and then under See also, click Installed updates and select from the list of updates.

File information

See the file information section

Registry key verification

Note A registry key does not exist to validate the presence of this update.


Help for installing updates: Support for Microsoft Update

Security solutions for IT professionals: TechNet Security Troubleshooting and Support

Help for protecting your Windows-based computer from viruses and malware: Virus Solution and Security Center

Local support according to your country: International Support

File Information

File name

SHA1 hash

SHA256 hash

Windows8.1-KB3160352-x64.msu

6E752C35AAFCDD2600FE28A369CA555181B42BC8

5601164720769DF8929F35E41647089F9790FEF46B34C82AE9A970A766A9C086

Windows6.1-KB3160352-x64.msu

A1C3224988596A2A75EA83384BA46798CABE3990

4A55221FCA124D158A24A4226D7061273E9106462A7869E7571C9CEEE14DD2FB

Windows8-RT-KB3160352-x64.msu

5FA0460E17B9ED20A25638F237938FE166121C63

81A5B999B22F6D724C23A934C50FA5EEA5D6041243DBF5E7A4441CAEFF2186D1


The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). Be aware that dates and times for these files on your local computer are displayed in your local time and with your current daylight saving time bias. The dates and times may also change when you perform certain operations on the files.

Windows Server 2012 R2 file information

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 0.16xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

    6.3.960 0.17xxx

    Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2

    RTM

    GDR

    6.3.960 0.18xxx

    Windows RT 8.1, Windows 8.1, and 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 MUM files (.mum) that are installed are not listed.

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Ntdsa.mof

Not applicable

227,765

18-Jun-2013

14:45

Not applicable

Ntdsai.dll

6.3.9600.18331

3,688,960

03-May-2016

15:40

x64

Windows Server 2008 R2 file information

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 1.23xxx

    Windows 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 MUM files (.mum) that are installed are not listed.

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Ntdsctrs.ini

Not applicable

58,486

03-May-2016

22:44

Not applicable

Report.ad.xml

Not applicable

25,550

03-May-2016

22:40

Not applicable

Rules.ad.xml

Not applicable

8,368

03-May-2016

22:43

Not applicable

Ntdsctrs.ini

Not applicable

61,684

03-May-2016

22:43

Not applicable

Report.ad.xml

Not applicable

24,069

03-May-2016

22:45

Not applicable

Rules.ad.xml

Not applicable

7,695

03-May-2016

22:42

Not applicable

Ntdsctrs.ini

Not applicable

54,286

03-May-2016

22:29

Not applicable

Report.ad.xml

Not applicable

22,929

03-May-2016

22:29

Not applicable

Rules.ad.xml

Not applicable

7,255

03-May-2016

22:29

Not applicable

Ntdsctrs.ini

Not applicable

60,800

03-May-2016

22:45

Not applicable

Report.ad.xml

Not applicable

24,503

03-May-2016

22:42

Not applicable

Rules.ad.xml

Not applicable

8,031

03-May-2016

22:43

Not applicable

Ntdsctrs.ini

Not applicable

61,502

03-May-2016

22:44

Not applicable

Report.ad.xml

Not applicable

24,821

03-May-2016

22:42

Not applicable

Rules.ad.xml

Not applicable

8,168

03-May-2016

22:41

Not applicable

Ntdsctrs.ini

Not applicable

58,156

03-May-2016

22:46

Not applicable

Report.ad.xml

Not applicable

25,482

03-May-2016

22:45

Not applicable

Rules.ad.xml

Not applicable

8,284

03-May-2016

22:45

Not applicable

Ntdsctrs.ini

Not applicable

58,590

03-May-2016

22:44

Not applicable

Report.ad.xml

Not applicable

24,090

03-May-2016

22:43

Not applicable

Rules.ad.xml

Not applicable

8,177

03-May-2016

22:46

Not applicable

Ntdsctrs.ini

Not applicable

40,580

03-May-2016

22:43

Not applicable

Report.ad.xml

Not applicable

23,027

03-May-2016

22:45

Not applicable

Rules.ad.xml

Not applicable

8,891

03-May-2016

22:44

Not applicable

Ntdsctrs.ini

Not applicable

40,034

03-May-2016

22:45

Not applicable

Report.ad.xml

Not applicable

23,790

03-May-2016

22:42

Not applicable

Rules.ad.xml

Not applicable

8,293

03-May-2016

22:42

Not applicable

Ntdsctrs.ini

Not applicable

63,530

03-May-2016

22:46

Not applicable

Report.ad.xml

Not applicable

23,900

03-May-2016

22:41

Not applicable

Rules.ad.xml

Not applicable

7,839

03-May-2016

22:41

Not applicable

Ntdsctrs.ini

Not applicable

58,990

03-May-2016

22:41

Not applicable

Report.ad.xml

Not applicable

24,779

03-May-2016

22:42

Not applicable

Rules.ad.xml

Not applicable

8,332

03-May-2016

22:41

Not applicable

Ntdsctrs.ini

Not applicable

57,834

03-May-2016

22:46

Not applicable

Report.ad.xml

Not applicable

24,297

03-May-2016

22:45

Not applicable

Rules.ad.xml

Not applicable

7,821

03-May-2016

22:43

Not applicable

Ntdsctrs.ini

Not applicable

60,310

03-May-2016

22:45

Not applicable

Report.ad.xml

Not applicable

24,922

03-May-2016

22:44

Not applicable

Rules.ad.xml

Not applicable

8,115

03-May-2016

22:42

Not applicable

Ntdsctrs.ini

Not applicable

57,258

03-May-2016

22:43

Not applicable

Report.ad.xml

Not applicable

27,906

03-May-2016

22:40

Not applicable

Rules.ad.xml

Not applicable

10,526

03-May-2016

22:46

Not applicable

Ntdsctrs.ini

Not applicable

59,230

03-May-2016

22:46

Not applicable

Report.ad.xml

Not applicable

24,062

03-May-2016

22:40

Not applicable

Rules.ad.xml

Not applicable

7,623

03-May-2016

22:46

Not applicable

Ntdsctrs.ini

Not applicable

54,780

03-May-2016

22:43

Not applicable

Report.ad.xml

Not applicable

23,889

03-May-2016

22:42

Not applicable

Rules.ad.xml

Not applicable

7,635

03-May-2016

22:46

Not applicable

Ntdsctrs.ini

Not applicable

34,782

03-May-2016

22:45

Not applicable

Report.ad.xml

Not applicable

22,757

03-May-2016

22:45

Not applicable

Rules.ad.xml

Not applicable

7,024

03-May-2016

22:42

Not applicable

Ntdsctrs.ini

Not applicable

36,464

03-May-2016

22:41

Not applicable

Report.ad.xml

Not applicable

22,781

03-May-2016

22:42

Not applicable

Rules.ad.xml

Not applicable

7,059

03-May-2016

22:44

Not applicable

Ntdsa.mof

Not applicable

227,765

23-Mar-2016

22:39

Not applicable

Ntdsai.dll

6.1.7601.23445

2,753,536

03-May-2016

22:30

x64

Windows Server 2012 file information

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

    6.2.920 0.17xxx

    Windows 8, Windows RT, or Windows Server 2012

    RTM

    GDR

    6.2.920 0.21xxx

    Windows 8, Windows RT, or Windows Server 2012

    RTM

    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 MUM files (.mum) that are installed are not listed.

For all supported x64-based versions

File name

File version

File size

Date

Time

Platform

Ntdsctrs.ini

Not applicable

58,614

07-Feb-2013

07:07

Not applicable

Report.ad.xml

Not applicable

25,550

07-Feb-2013

07:09

Not applicable

Rules.ad.xml

Not applicable

8,403

07-Feb-2013

07:07

Not applicable

Ntdsctrs.ini

Not applicable

58,202

07-Feb-2013

05:37

Not applicable

Report.ad.xml

Not applicable

23,914

07-Feb-2013

05:39

Not applicable

Rules.ad.xml

Not applicable

7,524

07-Feb-2013

05:37

Not applicable

Ntdsctrs.ini

Not applicable

61,946

07-Feb-2013

03:24

Not applicable

Report.ad.xml

Not applicable

24,076

07-Feb-2013

03:29

Not applicable

Rules.ad.xml

Not applicable

7,695

07-Feb-2013

03:24

Not applicable

Ntdsctrs.ini

Not applicable

62,836

07-Feb-2013

05:22

Not applicable

Report.ad.xml

Not applicable

28,891

07-Feb-2013

05:26

Not applicable

Rules.ad.xml

Not applicable

11,546

07-Feb-2013

05:22

Not applicable

Ntdsctrs.ini

Not applicable

54,538

07-Feb-2013

03:24

Not applicable

Report.ad.xml

Not applicable

22,929

07-Feb-2013

03:30

Not applicable

Rules.ad.xml

Not applicable

7,255

07-Feb-2013

03:24

Not applicable

Ntdsctrs.ini

Not applicable

61,052

07-Feb-2013

03:24

Not applicable

Report.ad.xml

Not applicable

24,503

07-Feb-2013

03:29

Not applicable

Rules.ad.xml

Not applicable

8,030

07-Feb-2013

03:24

Not applicable

Ntdsctrs.ini

Not applicable

66,980

07-Feb-2013

06:21

Not applicable

Report.ad.xml

Not applicable

23,646

07-Feb-2013

06:23

Not applicable

Rules.ad.xml

Not applicable

7,874

07-Feb-2013

06:21

Not applicable

Ntdsctrs.ini

Not applicable

61,828

07-Feb-2013

03:24

Not applicable

Report.ad.xml

Not applicable

24,821

07-Feb-2013

03:28

Not applicable

Rules.ad.xml

Not applicable

8,168

07-Feb-2013

03:24

Not applicable

Ntdsctrs.ini

Not applicable

58,408

07-Feb-2013

05:20

Not applicable

Report.ad.xml

Not applicable

25,482

07-Feb-2013

05:24

Not applicable

Rules.ad.xml

Not applicable

8,284

07-Feb-2013

05:19

Not applicable

Ntdsctrs.ini

Not applicable

58,870

07-Feb-2013

07:28

Not applicable

Report.ad.xml

Not applicable

24,090

07-Feb-2013

07:30

Not applicable

Rules.ad.xml

Not applicable

8,177

07-Feb-2013

07:28

Not applicable

Ntdsctrs.ini

Not applicable

40,804

07-Feb-2013

03:24

Not applicable

Report.ad.xml

Not applicable

23,027

07-Feb-2013

03:29

Not applicable

Rules.ad.xml

Not applicable

8,891

07-Feb-2013

03:24

Not applicable

Ntdsctrs.ini

Not applicable

40,266

07-Feb-2013

06:27

Not applicable

Report.ad.xml

Not applicable

23,789

07-Feb-2013

06:29

Not applicable

Rules.ad.xml

Not applicable

8,293

07-Feb-2013

06:27

Not applicable

Ntdsctrs.ini

Not applicable

57,744

07-Feb-2013

05:21

Not applicable

Report.ad.xml

Not applicable

23,945

07-Feb-2013

05:24

Not applicable

Rules.ad.xml

Not applicable

7,444

07-Feb-2013

05:20

Not applicable

Ntdsctrs.ini

Not applicable

63,834

07-Feb-2013

06:28

Not applicable

Report.ad.xml

Not applicable

23,906

07-Feb-2013

06:31

Not applicable

Rules.ad.xml

Not applicable

7,839

07-Feb-2013

06:28

Not applicable

Ntdsctrs.ini

Not applicable

59,306

07-Feb-2013

06:11

Not applicable

Report.ad.xml

Not applicable

24,779

07-Feb-2013

06:13

Not applicable

Rules.ad.xml

Not applicable

8,332

07-Feb-2013

06:11

Not applicable

Ntdsctrs.ini

Not applicable

58,102

07-Feb-2013

05:45

Not applicable

Report.ad.xml

Not applicable

24,297

07-Feb-2013

05:47

Not applicable

Rules.ad.xml

Not applicable

7,825

07-Feb-2013

05:45

Not applicable

Ntdsctrs.ini

Not applicable

60,378

07-Feb-2013

05:44

Not applicable

Report.ad.xml

Not applicable

24,894

07-Feb-2013

05:46

Not applicable

Rules.ad.xml

Not applicable

8,080

07-Feb-2013

05:44

Not applicable

Ntdsctrs.ini

Not applicable

57,344

07-Feb-2013

06:16

Not applicable

Report.ad.xml

Not applicable

27,906

07-Feb-2013

06:18

Not applicable

Rules.ad.xml

Not applicable

10,526

07-Feb-2013

06:16

Not applicable

Ntdsctrs.ini

Not applicable

59,498

07-Feb-2013

06:22

Not applicable

Report.ad.xml

Not applicable

24,062

07-Feb-2013

06:24

Not applicable

Rules.ad.xml

Not applicable

7,623

07-Feb-2013

06:22

Not applicable

Ntdsctrs.ini

Not applicable

55,046

07-Feb-2013

06:55

Not applicable

Report.ad.xml

Not applicable

23,889

07-Feb-2013

06:58

Not applicable

Rules.ad.xml

Not applicable

7,635

07-Feb-2013

06:55

Not applicable

Ntdsctrs.ini

Not applicable

35,612

07-Feb-2013

05:48

Not applicable

Report.ad.xml

Not applicable

22,757

07-Feb-2013

05:50

Not applicable

Rules.ad.xml

Not applicable

7,036

07-Feb-2013

05:48

Not applicable

Ntdsctrs.ini

Not applicable

36,708

07-Feb-2013

07:01

Not applicable

Report.ad.xml

Not applicable

22,781

07-Feb-2013

07:03

Not applicable

Rules.ad.xml

Not applicable

7,059

07-Feb-2013

07:00

Not applicable

Ntdsctrs.ini

Not applicable

36,688

07-Feb-2013

05:19

Not applicable

Report.ad.xml

Not applicable

22,781

07-Feb-2013

05:23

Not applicable

Rules.ad.xml

Not applicable

7,059

07-Feb-2013

05:19

Not applicable

Ntdsa.mof

Not applicable

227,765

02-Jun-2012

14:31

Not applicable

Ntdsai.dll

6.2.9200.21856

3,291,648

06-May-2016

15:40

x64


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