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This article describes an issue that occurs when virtual memory is allocated by the VirtualAlloc function in Windows Server 2012 R2 or Windows Server 2012. A hotfix is available to resolve this issue. The hotfix has a prerequisite.

Symptoms

This issue occurs if the MEM_TOP_DOWN flag is specified even though enough virtual memory is available to satisfy the memory request.

Resolution

To resolve this issue, install the following hotfix. Even though this issue has been observed only in Windows Server 2012 R2 or Windows Server 2012, the hotfix also applies to Windows 8.1 and Windows RT 8.1.

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 hotfix, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows 8.1 or Windows Server 2012 R2.

Registry information

To apply 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 8.1 and 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 0.17xxx

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

    RTM

    GDR

  • 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 x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Ntdll.dll

6.3.9600.17784

1,468,920

27-Mar-2015

04:11

x86

Ntoskrnl.exe

6.3.9600.17784

5,782,848

27-Mar-2015

04:12

Not applicable

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

Ntdll.dll

6.3.9600.17784

1,733,952

27-Mar-2015

04:57

x64

Ntoskrnl.exe

6.3.9600.17784

7,476,032

27-Mar-2015

04:58

x64

Ntvdm64.dll

6.3.9600.17475

16,896

29-Oct-2014

01:57

x64

Wow64.dll

6.3.9600.17784

285,184

27-Mar-2015

04:06

x64

Wow64cpu.dll

6.3.9600.17784

13,312

27-Mar-2015

04:06

x64

Ntdll.dll

6.3.9600.17784

1,498,864

27-Mar-2015

04:11

x86

Acwow64.dll

6.3.9600.17784

37,376

27-Mar-2015

03:05

x86

Instnm.exe

6.3.9600.17475

8,704

29-Oct-2014

01:13

x86

Ntvdm64.dll

6.3.9600.17475

14,336

29-Oct-2014

01:15

x86

Setup16.exe

3.1.0.1918

25,600

29-Oct-2014

01:13

x86

User.exe

6.3.9600.17475

4,096

29-Oct-2014

01:14

x86

Wow32.dll

6.3.9600.17475

5,632

29-Oct-2014

01:15

x86

For all supported Windows RT 8.1

File name

File version

File size

Date

Time

Platform

Ntdll.dll

6.3.9600.17784

1,347,040

27-Mar-2015

03:18

Not applicable

Ntoskrnl.exe

6.3.9600.17784

5,247,816

27-Mar-2015

03:19

Not applicable

Windows Server 2012 file information and notes

Important Windows 8 hotfixes and Windows Server 2012 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/Windows Server 2012" 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

    6.2.920 0.20 xxx

    Windows Server 2012

    RTM

    LDR

    6.2.920 0.21 xxx

    Windows Server 2012

    RTM

    LDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are not listed.

For all supported x64-based versions of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Ksecdd.sys

6.2.9200.21459

100,184

25-Apr-2015

05:48

x64

Lsass.exe

6.2.9200.20521

35,840

20-Sep-2012

06:33

x64

Sspicli.dll

6.2.9200.20984

164,352

11-Mar-2014

05:12

x64

Sspisrv.dll

6.2.9200.20521

27,648

20-Sep-2012

06:32

x64

Cng.sys

6.2.9200.21456

564,552

13-Apr-2015

22:09

x64

Ksecpkg.sys

6.2.9200.21269

171,840

11-Oct-2014

07:50

x64

Lsasrv.dll

6.2.9200.21345

1,280,512

15-Jan-2015

05:26

x64

Adtschema.dll

6.2.9200.21289

719,360

10-Nov-2014

04:43

x64

Msaudite.dll

6.2.9200.21269

146,944

11-Oct-2014

05:38

x64

Msobjs.dll

6.2.9200.16384

61,952

26-Jul-2012

02:36

x64

Ocspsvcctrs.ini

Not applicable

2,960

26-Jul-2012

05:07

Not applicable

Ocspsvcctrs.ini

Not applicable

3,134

26-Jul-2012

08:00

Not applicable

Ocspsvcctrs.ini

Not applicable

2,918

26-Jul-2012

04:43

Not applicable

Ocspsvcctrs.ini

Not applicable

3,210

26-Jul-2012

07:59

Not applicable

Ocspsvcctrs.ini

Not applicable

3,098

26-Jul-2012

08:00

Not applicable

Ocspsvcctrs.ini

Not applicable

3,028

26-Jul-2012

07:59

Not applicable

Ocspsvcctrs.ini

Not applicable

3,140

26-Jul-2012

05:21

Not applicable

Ocspsvcctrs.ini

Not applicable

2,642

26-Jul-2012

08:11

Not applicable

Ocspsvcctrs.ini

Not applicable

2,576

26-Jul-2012

05:20

Not applicable

Ocspsvcctrs.ini

Not applicable

3,026

26-Jul-2012

07:36

Not applicable

Ocspsvcctrs.ini

Not applicable

3,028

26-Jul-2012

07:48

Not applicable

Ocspsvcctrs.ini

Not applicable

3,188

26-Jul-2012

05:30

Not applicable

Ocspsvcctrs.ini

Not applicable

3,126

26-Jul-2012

05:08

Not applicable

Ocspsvcctrs.ini

Not applicable

3,064

26-Jul-2012

07:49

Not applicable

Ocspsvcctrs.ini

Not applicable

3,092

26-Jul-2012

07:52

Not applicable

Ocspsvcctrs.ini

Not applicable

2,828

26-Jul-2012

05:12

Not applicable

Ocspsvcctrs.ini

Not applicable

2,464

26-Jul-2012

08:05

Not applicable

Ocspsvcctrs.ini

Not applicable

2,480

26-Jul-2012

05:13

Not applicable

Ocspsvcctrs.ini

Not applicable

2,460

26-Jul-2012

08:11

Not applicable

Ocspsvc.exe

6.2.9200.21345

272,384

15-Jan-2015

05:27

x64

Ocspsvcctrs.h

Not applicable

1,569

02-Jun-2012

14:34

Not applicable

Ocspsvcctrs.ini

Not applicable

2,918

02-Jun-2012

14:34

Not applicable

Ntoskrnl.exe

6.2.9200.21472

6,941,016

25-Apr-2015

06:21

x64

Credssp.dll

6.2.9200.21012

20,480

12-Apr-2014

07:49

x64

Tspkg.dll

6.2.9200.21012

94,720

12-Apr-2014

07:51

x64

Tspkg.mof

Not applicable

964

02-Jun-2012

14:33

Not applicable

Wdigest.dll

6.2.9200.21012

208,896

12-Apr-2014

07:51

x64

Kerberos.dll

6.2.9200.21289

827,392

10-Nov-2014

23:27

x64

Msv1_0.dll

6.2.9200.21012

317,440

12-Apr-2014

07:50

x64

Shcore.dll

6.2.9200.21410

591,360

07-Mar-2015

04:13

x64

Lsm.dll

6.2.9200.21012

439,808

12-Apr-2014

07:49

x64

Workerdd.dll

6.2.9200.21012

14,848

12-Apr-2014

06:58

x64

Usercpl.dll

6.2.9200.21345

1,043,968

15-Jan-2015

05:27

x64

Usercpl.ptxml

Not applicable

789

11-Oct-2012

00:40

Not applicable

Winlogon.exe

6.2.9200.21012

578,048

12-Apr-2014

07:52

x64

Sspicli.dll

6.2.9200.20984

99,840

10-Mar-2014

01:34

x86

Wdigest.dll

6.2.9200.21012

176,640

12-Apr-2014

07:32

x86

Kerberos.dll

6.2.9200.21289

663,552

10-Nov-2014

23:30

x86

Msv1_0.dll

6.2.9200.21012

273,920

12-Apr-2014

07:31

x86

Adtschema.dll

6.2.9200.21289

719,360

10-Nov-2014

03:40

x86

Msaudite.dll

6.2.9200.21269

146,944

11-Oct-2014

04:35

x86

Msobjs.dll

6.2.9200.16384

61,952

26-Jul-2012

02:47

x86

Credssp.dll

6.2.9200.21012

17,408

12-Apr-2014

07:31

x86

Tspkg.dll

6.2.9200.21012

76,800

12-Apr-2014

07:32

x86

Tspkg.mof

Not applicable

964

02-Jun-2012

14:33

Not applicable

Shcore.dll

6.2.9200.21410

460,800

06-Mar-2015

05:21

x86

Usercpl.dll

6.2.9200.21345

961,536

15-Jan-2015

21:23

x86

Usercpl.ptxml

Not applicable

789

11-Oct-2012

00:42

Not applicable

Additional file information

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

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_2b96772c747e1b1788dd32a7b9927be3_31bf3856ad364e35_6.3.9600.17784_none_24affb370367f75c.manifest

File version

Not applicable

File size

693

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

X86_58408d253bd0428f243e2506d85b250c_31bf3856ad364e35_6.3.9600.17784_none_a54945981d99f6e1.manifest

File version

Not applicable

File size

697

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

X86_6c1c44a0a0b883a2cc7c30f2a05f200e_31bf3856ad364e35_6.3.9600.17784_none_48d4241a009da1f5.manifest

File version

Not applicable

File size

1,034

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

X86_microsoft-windows-ntdll_31bf3856ad364e35_6.3.9600.17784_none_ed76939917c74f91.manifest

File version

Not applicable

File size

3,863

Date (UTC)

27-Mar-2015

Time (UTC)

04:16

Platform

Not applicable

File name

X86_microsoft-windows-os-kernel_31bf3856ad364e35_6.3.9600.17784_none_00d016f7cfbcb5e3.manifest

File version

Not applicable

File size

2,590

Date (UTC)

27-Mar-2015

Time (UTC)

04:16

Platform

Not applicable

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

File property

Value

File name

Amd64_24a62260ee0ee90c94133d58a20293cc_31bf3856ad364e35_6.3.9600.17784_none_e4bbad4f1b37387f.manifest

File version

Not applicable

File size

697

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Amd64_271cccf5f2be3bb96d962147ec5a5d95_31bf3856ad364e35_6.3.9600.17784_none_121d92f1843e9543.manifest

File version

Not applicable

File size

697

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Amd64_30b58226c0471c5fee6c23d4af050862_31bf3856ad364e35_6.3.9600.17784_none_a0fd095dd205282b.manifest

File version

Not applicable

File size

701

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Amd64_3e52d5bb623565694929f66390cdac39_31bf3856ad364e35_6.3.9600.17784_none_178a206c6d00910b.manifest

File version

Not applicable

File size

1,040

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Amd64_c768ada85e21ef62e9a20507d8a68729_31bf3856ad364e35_6.3.9600.17784_none_1a737c37ace941e2.manifest

File version

Not applicable

File size

697

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Amd64_d0284ef4d0afe4c43bca97267a5a7bf3_31bf3856ad364e35_6.3.9600.17784_none_9a770b2c8caa3257.manifest

File version

Not applicable

File size

697

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Amd64_microsoft-windows-ntdll_31bf3856ad364e35_6.3.9600.17784_none_49952f1cd024c0c7.manifest

File version

Not applicable

File size

3,867

Date (UTC)

27-Mar-2015

Time (UTC)

05:04

Platform

Not applicable

File name

Amd64_microsoft-windows-os-kernel_31bf3856ad364e35_6.3.9600.17784_none_5ceeb27b881a2719.manifest

File version

Not applicable

File size

2,592

Date (UTC)

27-Mar-2015

Time (UTC)

05:04

Platform

Not applicable

File name

Amd64_microsoft-windows-wow64_31bf3856ad364e35_6.3.9600.17784_none_58e418e4ab46467a.manifest

File version

Not applicable

File size

9,172

Date (UTC)

27-Mar-2015

Time (UTC)

18:16

Platform

Not applicable

File name

Wow64_microsoft-windows-ntdll_31bf3856ad364e35_6.3.9600.17784_none_53e9d96f048582c2.manifest

File version

Not applicable

File size

3,627

Date (UTC)

27-Mar-2015

Time (UTC)

04:16

Platform

Not applicable

File name

Wow64_microsoft-windows-wow64_31bf3856ad364e35_6.3.9600.17784_none_6338c336dfa70875.manifest

File version

Not applicable

File size

11,312

Date (UTC)

27-Mar-2015

Time (UTC)

18:16

Platform

Not applicable

Additional files for all supported Windows RT 8.1

File property

Value

File name

Arm_713a123a93f227dabf5cad106d2a587b_31bf3856ad364e35_6.3.9600.17784_none_4ed899fd5347c580.manifest

File version

Not applicable

File size

693

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Arm_b9935b9b52b7747c6217e5a7ba957a25_31bf3856ad364e35_6.3.9600.17784_none_0d040c819bde5e46.manifest

File version

Not applicable

File size

1,034

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Arm_cf326c15e13c42e21a719b67ce76e79d_31bf3856ad364e35_6.3.9600.17784_none_6bbb4064f4365b1e.manifest

File version

Not applicable

File size

697

Date (UTC)

27-Mar-2015

Time (UTC)

18:10

Platform

Not applicable

File name

Arm_microsoft-windows-ntdll_31bf3856ad364e35_6.3.9600.17784_none_ed7905f117c46e57.manifest

File version

Not applicable

File size

3,863

Date (UTC)

27-Mar-2015

Time (UTC)

03:26

Platform

Not applicable

File name

Arm_microsoft-windows-os-kernel_31bf3856ad364e35_6.3.9600.17784_none_00d2894fcfb9d4a9.manifest

File version

Not applicable

File size

2,590

Date (UTC)

27-Mar-2015

Time (UTC)

03:26

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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