This article also applies to the following:

  • Microsoft .NET Framework 3.5

Introduction

The August 2018 update for Windows Server 2012 includes cumulative reliability improvements in .NET Framework 3.5. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections.

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.

Quality and reliability improvements

WCF1

Enables you to use .NET Framework 2.0 SP2, 3.0 SP2, 3.5, or 3.5.1 in your .NET Framework applications in a Transport Layer Security (TLS) 1.1 or TLS 1.2 environment.

1 Windows Communication Foundation (WCF)

Additional information about this update

For more information about this update as it relates to Windows Server 2012, see the following article in the Microsoft Knowledge Base:

4346081 August 2018 Preview of the Quality Rollups for .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows Server 2012 (KB 4346081)

How to get this update

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 get security updates automatically, see Windows Update: FAQ.

Microsoft Update Catalog

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

Windows Software Update Services (WSUS)

On your WSUS server, follow these steps:

  1. Select Start, select Administrative Tools, and then select Microsoft Windows Server Update Services 3.0.

  2. Expand ComputerName, and then select Action.

  3. Select Import Updates.

  4. WSUS opens a browser window in which you may be prompted to install an ActiveX control. You must install the ActiveX control to continue.

  5. After the ActiveX control is installed, you see the Microsoft Update Catalog screen. Type 4346081 in the Search box, and then select Search.

  6. Locate the .NET Framework packages that match the operating systems, languages, and processors in your environment. Select Add to add them to your basket.

  7. After you select all the packages that you need, select View Basket.

  8. To import the packages to your WSUS server, select Import.

  9. After the packages are imported, select Close to return to WSUS.

The updates are now available for installation through WSUS.

Prerequisites

To apply this update, you must have .NET Framework 3.5 installed.

Restart requirement

You must restart the computer after you apply this update if any affected files are being used. We recommend that you exit all .NET Framework-based applications before you apply this update.

Update replacement information

This update replaces previously released update KB 4291495.

File information

The English (United States) version of this 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). The dates and 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 times may change when you perform certain operations on the files.

File name

File version

File size

Date

Time

big5.nlp

66,728

21-Nov-2017

07:23

bopomofo.nlp

82,172

21-Nov-2017

07:23

ksc.nlp

116,756

21-Nov-2017

07:23

mscorlib.dll

2.0.50727.8793

4,571,136

24-Jul-2018

15:10

normidna.nlp

59,342

21-Nov-2017

07:23

normnfc.nlp

45,794

21-Nov-2017

07:23

normnfd.nlp

39,284

21-Nov-2017

07:23

normnfkc.nlp

66,384

21-Nov-2017

07:23

normnfkd.nlp

60,294

21-Nov-2017

07:23

prc.nlp

83,748

21-Nov-2017

07:23

prcp.nlp

83,748

21-Nov-2017

07:23

sortkey.nlp

262,148

21-Nov-2017

07:23

sorttbls.nlp

20,320

21-Nov-2017

07:23

xjis.nlp

28,288

21-Nov-2017

07:23

aspnet_wp.exe

2.0.50727.8762

43,160

07-Apr-2017

13:09

mscordacwks.dll

2.0.50727.8793

1,758,784

24-Jul-2018

15:10

mscorsvc.dll

2.0.50727.8793

495,232

24-Jul-2018

15:10

mscorwks.dll

2.0.50727.8793

10,008,632

24-Jul-2018

15:10

sos.dll

2.0.50727.8793

486,008

24-Jul-2018

15:10

system.data.sqlxml.dll

2.0.50727.8773

745,472

01-Dec-2017

13:13

system.management.dll

2.0.50727.8766

389,120

12-Jul-2017

13:09

system.runtime.remoting.dll

2.0.50727.8771

307,200

31-Aug-2017

13:09

system.security.dll

2.0.50727.8784

274,432

27-Mar-2018

17:37

system.web.regularexpressions.dll

2.0.50727.8762

98,304

07-Apr-2017

13:09

system.xml.dll

2.0.50727.8773

2,056,192

01-Dec-2017

13:13

system.dll

2.0.50727.8791

3,207,168

12-Jul-2018

00:30

webengine.dll

2.0.50727.8762

746,648

07-Apr-2017

13:09

wminet_utils.dll

2.0.50727.8766

140,960

12-Jul-2017

13:09

presentationcore.dll

3.0.6920.8773

4,006,400

29-Mar-2017

13:09

presentationfontcache.exe.config

161

06-Jul-2012

20:06

wpfgfx_v0300.dll

3.0.6920.8773

2,256,032

29-Mar-2017

13:09

system.data.dll

2.0.50727.8762

3,150,336

06-Apr-2017

20:26

system.printing.dll

3.0.6920.8773

358,400

29-Mar-2017

13:09

system.web.dll

2.0.50727.8762

5,296,128

07-Apr-2017

13:09

servicemonikersupport.dll

3.0.4506.8803

20,144

17-Jul-2018

18:37

smdiagnostics.dll

3.0.4506.8803

94,208

17-Jul-2018

18:37

smsvchost.exe

3.0.4506.8803

117,376

17-Jul-2018

18:37

system.identitymodel.dll

3.0.4506.8803

405,504

17-Jul-2018

18:37

system.runtime.serialization.dll

3.0.4506.8803

847,872

17-Jul-2018

18:37

system.runtime.serialization.dll

3.0.4506.8803

847,872

17-Jul-2018

18:37

system.servicemodel.dll

3.0.4506.8803

5,337,088

17-Jul-2018

18:37

system.servicemodel.washosting.dll

3.0.4506.8803

32,768

17-Jul-2018

18:37

system.servicemodel.dll

3.0.4506.8803

5,337,088

17-Jul-2018

18:37

penimc.dll

3.0.6920.8773

85,648

29-Mar-2017

13:09

presentationframework.dll

3.0.6920.8773

4,640,768

29-Mar-2017

13:09

presentationhostdll.dll

3.0.6920.8773

172,208

29-Mar-2017

13:09

reachframework.dll

3.0.6920.8773

532,480

29-Mar-2017

13:09

windowsbase.dll

3.0.6920.8773

1,118,208

29-Mar-2017

13:09

system.workflow.activities.dll

3.0.4203.8800

1,060,864

11-Jun-2018

13:06

system.workflow.componentmodel.dll

3.0.4203.8800

1,519,616

11-Jun-2018

13:06

system.workflow.runtime.dll

3.0.4203.8800

454,656

11-Jun-2018

13:06

presentationframework.dll

3.0.6920.8773

5,283,840

29-Mar-2017

13:09

reachframework.dll

3.0.6920.8773

532,480

29-Mar-2017

13:09

smdiagnostics.dll

3.0.4506.8803

110,592

17-Jul-2018

18:37

smsvchost.exe

3.0.4506.8803

129,664

17-Jul-2018

18:37

system.data.sqlxml.dll

2.0.50727.8773

745,472

01-Dec-2017

13:05

system.identitymodel.dll

3.0.4506.8803

446,464

17-Jul-2018

18:37

system.management.dll

2.0.50727.8766

389,120

12-Jul-2017

13:09

system.runtime.remoting.dll

2.0.50727.8771

307,200

31-Aug-2017

13:08

system.runtime.serialization.dll

3.0.4506.8803

970,752

17-Jul-2018

18:37

system.runtime.serialization.dll

3.0.4506.8803

970,752

17-Jul-2018

18:37

system.security.dll

2.0.50727.8784

274,432

27-Mar-2018

17:37

system.servicemodel.dll

3.0.4506.8803

5,996,544

17-Jul-2018

18:37

system.servicemodel.washosting.dll

3.0.4506.8803

32,768

17-Jul-2018

18:37

system.servicemodel.dll

3.0.4506.8803

5,996,544

17-Jul-2018

18:37

system.web.regularexpressions.dll

2.0.50727.8762

98,304

07-Apr-2017

13:09

system.workflow.activities.dll

3.0.4203.8800

1,142,784

11-Jun-2018

13:06

system.workflow.componentmodel.dll

3.0.4203.8800

1,630,208

11-Jun-2018

13:06

system.workflow.runtime.dll

3.0.4203.8800

540,672

11-Jun-2018

13:06

system.xml.dll

2.0.50727.8773

2,056,192

01-Dec-2017

13:05

system.dll

2.0.50727.8791

3,207,168

12-Jul-2018

00:30

windowsbase.dll

3.0.6920.8773

1,257,472

29-Mar-2017

13:09

big5.nlp

66,728

21-Nov-2017

07:23

bopomofo.nlp

82,172

21-Nov-2017

07:23

ksc.nlp

116,756

21-Nov-2017

07:23

mscorlib.dll

2.0.50727.8793

4,554,752

24-Jul-2018

15:10

normidna.nlp

59,342

21-Nov-2017

07:23

normnfc.nlp

45,794

21-Nov-2017

07:23

normnfd.nlp

39,284

21-Nov-2017

07:23

normnfkc.nlp

66,384

21-Nov-2017

07:23

normnfkd.nlp

60,294

21-Nov-2017

07:23

prc.nlp

83,748

21-Nov-2017

07:23

prcp.nlp

83,748

21-Nov-2017

07:23

sortkey.nlp

262,148

21-Nov-2017

07:23

sorttbls.nlp

20,320

21-Nov-2017

07:23

xjis.nlp

28,288

21-Nov-2017

07:23

aspnet_wp.exe

2.0.50727.8762

31,384

07-Apr-2017

13:09

mscordacwks.dll

2.0.50727.8793

991,808

24-Jul-2018

15:10

mscorsvc.dll

2.0.50727.8793

231,992

24-Jul-2018

15:10

mscorwks.dll

2.0.50727.8793

5,948,472

24-Jul-2018

15:10

sos.dll

2.0.50727.8793

391,216

24-Jul-2018

15:10

webengine.dll

2.0.50727.8762

437,400

07-Apr-2017

13:09

wminet_utils.dll

2.0.50727.8766

116,896

12-Jul-2017

13:09

presentationcore.dll

3.0.6920.8773

4,222,976

29-Mar-2017

13:09

presentationfontcache.exe.config

161

06-Jul-2012

20:04

wpfgfx_v0300.dll

3.0.6920.8773

1,737,888

29-Mar-2017

13:09

system.data.dll

2.0.50727.8762

2,975,744

06-Apr-2017

20:26

system.printing.dll

3.0.6920.8773

372,736

29-Mar-2017

13:09

system.web.dll

2.0.50727.8762

5,287,936

07-Apr-2017

13:09

servicemonikersupport.dll

3.0.4506.8803

18,096

17-Jul-2018

18:37

system.identitymodel.dll

3.0.4506.8803

446,464

17-Jul-2018

18:37

system.runtime.serialization.dll

3.0.4506.8803

970,752

17-Jul-2018

18:37

system.servicemodel.dll

3.0.4506.8803

5,996,544

17-Jul-2018

18:37

penimc.dll

3.0.6920.8773

68,752

29-Mar-2017

13:09

presentationframework.dll

3.0.6920.8773

5,283,840

29-Mar-2017

13:09

presentationhostdll.dll

3.0.6920.8773

131,248

29-Mar-2017

13:09

reachframework.dll

3.0.6920.8773

532,480

29-Mar-2017

13:09

windowsbase.dll

3.0.6920.8773

1,257,472

29-Mar-2017

13:09

system.workflow.activities.dll

3.0.4203.8800

1,142,784

11-Jun-2018

13:06

system.workflow.componentmodel.dll

3.0.4203.8800

1,630,208

11-Jun-2018

13:06

system.workflow.runtime.dll

3.0.4203.8800

540,672

11-Jun-2018

13:06

How to obtain help and support for this update

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