Symptoms

Consider the following scenario:

  • You have update 2927901 installed on a Windows Server 2012 R2 server.

  • You have users who frequently log in and log off the server through Remote Desktop.


In this scenario, the server becomes slow and eventually unresponsive.

Cause

This problem occurs when a call is made to the SetDefaultPrinter() function that sets the default printer, a registry handle is left open. This causes a handle leak.

Resolution

Hotfix information

A supported hotfix is available from Microsoft Support. 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 the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

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, contact 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, go to 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 in Windows Server 2012 R2, you must first have update 2919355 installed.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any previously released hotfix.

The English (United States) 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 notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" 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 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 for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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

Pmcsnap.dll

6.3.9600.17795

825,856

10-Apr-2015

01:07

x64

Ppcsnap.dll

6.3.9600.17415

260,096

29-Oct-2014

01:45

x64

Print management.lnk

Not applicable

1,118

22-Aug-2013

06:44

Not applicable

Printmanagement.msc

Not applicable

146,389

18-Jun-2013

15:10

Not applicable

Compstui.dll

6.3.9600.17795

309,760

10-Apr-2015

01:55

x64

Dafprintprovider.dll

6.3.9600.17415

269,312

29-Oct-2014

00:41

x64

Findnetprinters.dll

6.3.9600.17415

66,048

29-Oct-2014

02:04

x64

Printui.exe

6.3.9600.17415

62,976

29-Oct-2014

02:43

x64

Puiapi.dll

6.3.9600.17415

192,512

29-Oct-2014

00:55

x64

Puiobj.dll

6.3.9600.17795

477,184

10-Apr-2015

01:11

x64

Localspl.dll

6.3.9600.17796

1,091,072

13-Apr-2015

22:48

x64

Winprint.dll

6.3.9600.17415

45,568

29-Oct-2014

01:24

x64

Win32spl.dll

6.3.9600.17669

864,256

29-Jan-2015

01:04

x64

Prnntfy.dll

6.3.9600.17415

221,184

29-Oct-2014

01:45

x64

Windows.systemtoast.print.notification.lnk

Not applicable

1,515

22-Aug-2013

06:44

Not applicable

Winspool.drv

6.3.9600.17796

512,512

13-Apr-2015

22:47

Not applicable

Splwow64.exe

6.3.9600.17480

128,512

04-Nov-2014

06:27

x64

Spoolsv.exe

6.3.9600.17796

827,392

13-Apr-2015

22:47

x64

Compstui.dll

6.3.9600.17415

289,280

29-Oct-2014

01:52

x86

Dafprintprovider.dll

6.3.9600.17415

203,776

29-Oct-2014

00:35

x86

Findnetprinters.dll

6.3.9600.17415

55,808

29-Oct-2014

01:28

x86

Printui.exe

6.3.9600.17415

61,952

29-Oct-2014

01:58

x86

Puiapi.dll

6.3.9600.17415

167,424

29-Oct-2014

00:44

x86

Puiobj.dll

6.3.9600.17415

367,104

29-Oct-2014

01:20

x86

Prnntfy.dll

6.3.9600.17415

199,168

29-Oct-2014

01:15

x86

Winspool.drv

6.3.9600.17796

397,824

13-Apr-2015

22:42

Not applicable

Additional file information for Windows Server 2012 R2

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

File name

Amd64_1931ab4e75aec455cc41bca0f725e9b8_31bf3856ad364e35_6.3.9600.17797_none_c941430d2186b666.manifest

File version

Not applicable

File size

733

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_264e4068facf310aebf7e1a7f601c099_31bf3856ad364e35_6.3.9600.17797_none_d4d0f1d957e92d24.manifest

File version

Not applicable

File size

732

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_387605f1609042bde6bc39e87d613dfe_31bf3856ad364e35_6.3.9600.17797_none_4be2674c2aec9e5c.manifest

File version

Not applicable

File size

713

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_4f9830b733c10be5a6a8afd55a4488c0_31bf3856ad364e35_6.3.9600.17797_none_3f5947990e1c8fb2.manifest

File version

Not applicable

File size

715

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_5a682078d3278c9752896f5c885ad193_31bf3856ad364e35_6.3.9600.17797_none_b20657a3e0839f4b.manifest

File version

Not applicable

File size

713

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_81d0882cf7546cfdfd99e5f3662da67e_31bf3856ad364e35_6.3.9600.17797_none_0539bc9d5e178701.manifest

File version

Not applicable

File size

1,453

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_ccdd6a12475fad457aff97aa77c6dd9e_31bf3856ad364e35_6.3.9600.17797_none_4498ee66b960e9bb.manifest

File version

Not applicable

File size

733

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_d738af7998de4d102b4c8903680eb460_31bf3856ad364e35_6.3.9600.17797_none_ed5489553c0e3452.manifest

File version

Not applicable

File size

1,089

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Amd64_microsoft-windows-p..erandprintui-pmcppc_31bf3856ad364e35_6.3.9600.17797_none_fc1ec3b954ae222f.manifest

File version

Not applicable

File size

24,611

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Amd64_microsoft-windows-p..installerandprintui_31bf3856ad364e35_6.3.9600.17797_none_c70ac16cc9e8c793.manifest

File version

Not applicable

File size

23,376

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Amd64_microsoft-windows-p..ooler-core-localspl_31bf3856ad364e35_6.3.9600.17797_none_20d1dfc866aa9582.manifest

File version

Not applicable

File size

5,181

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Amd64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.3.9600.17797_none_2a29bc8644e68099.manifest

File version

Not applicable

File size

10,348

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Amd64_microsoft-windows-p..randprintui-asyncui_31bf3856ad364e35_6.3.9600.17797_none_6c97d3e8c622a1f4.manifest

File version

Not applicable

File size

6,621

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Amd64_microsoft-windows-p..ting-spooler-client_31bf3856ad364e35_6.3.9600.17797_none_83e477ebecaa4d2d.manifest

File version

Not applicable

File size

2,813

Date (UTC)

14-Apr-2015

Time (UTC)

23:12

File name

Amd64_microsoft-windows-printing-spooler-core_31bf3856ad364e35_6.3.9600.17797_none_c70224ee958541bd.manifest

File version

Not applicable

File size

244,450

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Package_1_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

1,839

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_2_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

2,089

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_3_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

3,240

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_4_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

2,304

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_5_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

2,069

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_6_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

2,095

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_7_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

2,328

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_8_for_kb3055615~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

2,305

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_for_kb3055615_rtm_gm~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

3,367

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Package_for_kb3055615_rtm~31bf3856ad364e35~amd64~~6.3.2.0.mum

File version

Not applicable

File size

3,904

Date (UTC)

15-Apr-2015

Time (UTC)

17:58

File name

Wow64_microsoft-windows-p..installerandprintui_31bf3856ad364e35_6.3.9600.17797_none_d15f6bbefe49898e.manifest

File version

Not applicable

File size

22,630

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

Wow64_microsoft-windows-p..ooler-networkclient_31bf3856ad364e35_6.3.9600.17797_none_347e66d879474294.manifest

File version

Not applicable

File size

9,132

Date (UTC)

14-Apr-2015

Time (UTC)

23:03

File name

Wow64_microsoft-windows-p..randprintui-asyncui_31bf3856ad364e35_6.3.9600.17797_none_76ec7e3afa8363ef.manifest

File version

Not applicable

File size

3,837

Date (UTC)

15-Apr-2015

Time (UTC)

18:06

File name

X86_microsoft-windows-p..ting-spooler-client_31bf3856ad364e35_6.3.9600.17797_none_27c5dc68344cdbf7.manifest

File version

Not applicable

File size

2,809

Date (UTC)

14-Apr-2015

Time (UTC)

23:03


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.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Any additional feedback? (Optional)

Thank you for your feedback!

×