Applies to:

Microsoft .NET Framework 3.5.1

REMINDER Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 have reached the end of mainstream support and are now in extended security update (ESU) support.

Starting in July 2020, there will no longer be optional, non-security releases (known as "C" releases) for this operating system. Operating systems in extended support have only cumulative monthly security updates (known as the "B" or Update Tuesday release).

Verify that you have installed the required updates listed in the How to get this update section before installing this update. 

Customers who have purchased the Extended Security Update (ESU) for on-premises versions of these operating systems must follow the procedures in KB4522133 to continue receiving security updates after extended support ends on January 14, 2020. For more information on ESU and which editions are supported, see KB4497181. For more information, see the ESU blog.

The July 5, 2023 update for Windows Embedded 7 Standard and Windows Server 2008 R2 SP1 includes improvements in .NET Framework 3.5.1. We recommend that you apply this update as part of your regular maintenance routines. Verify that you have installed the required updates listed in the How to get this update section before installing this update.

Summary

Security Improvements

There are no new security improvements in this release.

Quality and Reliability Improvements

CLR1

Addresses an issue where .NET framework 3.5 scenarios might crash during startup whenever an instrumenting profiler is active.

1Common Language Runtime

Known issues in this update

Microsoft is not currently aware of any issues in this update.

How to get this update

Before installing this update

Prerequisite:

To apply this update, you must have .NET Framework 3.5.1 installed.

You must install the updates listed below and restart your device before installing the latest Rollup. Installing these updates improves the reliability of the update process and mitigates potential issues while installing the Rollup and applying Microsoft security fixes.

  1. The March 12, 2019 servicing stack update (SSU) (KB4490628). To get the standalone package for this SSU, search for it in the Microsoft Update Catalog. This update is required to install updates that are only SHA-2 signed.

  2. The latest SHA-2 update (KB4474419) released September 10, 2019 or newer update. If you are using Windows Update, the latest SHA-2 update will be offered to you automatically. This update is required to install updates that are only SHA-2 signed. For more information on SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS.

  3. To get this security update, you must reinstall the "Extended Security Updates (ESU) Licensing Preparation Package" (KB5016892) for Windows Server 2008 R2 SP1 that is dated August 8, 2022 even if you previously installed the ESU key. The ESU licensing preparation package will be offered to you from WSUS. To get the standalone package for ESU licensing preparation package, search for it in the Microsoft Update Catalog.

  4. After you install the items above, we strongly recommend that you install the latest SSU.

    ​​​​​​​For Windows Server 2008 R2 SP1, you must have the servicing stack update (SSU) (KB5017397) that is dated September 13, 2022 or later installed. For more information about the latest SSU updates, see ADV990001 | Latest Servicing Stack Updates. If you use Windows Update, the latest SSU will be offered to you automatically if you are an ESU customer. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

  5. Download the ESU MAK add-on key from the VLSC portal and deploy and activate the ESU MAK add-on key. If you use the Volume Activation Management Tool  (VAMT) to deploy and activate keys, follow the instructions here.

    IMPORTANT You do not need an additional key for deployment of the following:

    • You do not need to deploy an additional ESU key for Azure virtual machines (VMs), Azure Stack HCI.

    • For other Azure products such as Azure VMWare, Azure Nutanix solution Azure Stack (Hub, Edge), or for bring-your-own images on Azure for Windows Server 2008 SP2, and Windows Server 2008 R2 SP1 you do need to deploy the ESU key.  The steps to install, activate, and deploy ESUs are the same for the fourth year of ESU coverage.

Install this update

Release Channel

Available

Next Step

Windows Update and Microsoft Update

No

See the other options below.

Microsoft Update Catalog

Yes

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Windows Server Update Services (WSUS)

No

You can import this update into WSUS manually. See the Microsoft Update Catalog for instructions.

File Information

File hash information

File name

SHA256 hash

windows6.1-kb5028917-x86.msu

3255DE91A927C13FBE15DA7171C78A3209A46B151F945851141AE80DEC603941

windows6.1-kb5028917-x64.msu

6AA38F99D86AF13DEFA6946E3977954356C3F25D2F24B087188A8BA0F81AA0F1

File name

File version

File size

Date

Time

Platform

Big5.nlp

Not applicable

66,728

27-Jun-2023

01:39

Not applicable

Bopomofo.nlp

Not applicable

82,172

27-Jun-2023

01:39

Not applicable

Ksc.nlp

Not applicable

116,756

27-Jun-2023

01:39

Not applicable

Mscorlib.dll

2.0.50727.8973

4,628,480

29-Jun-2023

01:31

x86

Normidna.nlp

Not applicable

59,342

27-Jun-2023

01:39

Not applicable

Normnfc.nlp

Not applicable

45,794

27-Jun-2023

01:39

Not applicable

Normnfd.nlp

Not applicable

39,284

27-Jun-2023

01:39

Not applicable

Normnfkc.nlp

Not applicable

66,384

27-Jun-2023

01:39

Not applicable

Normnfkd.nlp

Not applicable

60,294

27-Jun-2023

01:39

Not applicable

Prc.nlp

Not applicable

83,748

27-Jun-2023

01:39

Not applicable

Prcp.nlp

Not applicable

83,748

27-Jun-2023

01:39

Not applicable

Sortkey.nlp

Not applicable

262,148

27-Jun-2023

01:39

Not applicable

Sorttbls.nlp

Not applicable

20,320

27-Jun-2023

01:39

Not applicable

Xjis.nlp

Not applicable

28,288

27-Jun-2023

01:39

Not applicable

Mscordacwks.dll

2.0.50727.8973

993,672

29-Jun-2023

01:31

x86

Mscorwks.dll

2.0.50727.8973

6,414,264

29-Jun-2023

01:31

x86

Sos.dll

2.0.50727.8973

393,144

29-Jun-2023

01:31

x86

File name

File version

File size

Date

Time

Platform

Big5.nlp

Not applicable

66,728

01-Apr-2023

01:05

Not applicable

Bopomofo.nlp

Not applicable

82,172

01-Apr-2023

01:05

Not applicable

Ksc.nlp

Not applicable

116,756

01-Apr-2023

01:05

Not applicable

Mscorlib.dll

2.0.50727.8973

4,644,864

29-Jun-2023

01:31

x64

Normidna.nlp

Not applicable

59,342

01-Apr-2023

01:05

Not applicable

Normnfc.nlp

Not applicable

45,794

01-Apr-2023

01:05

Not applicable

Normnfd.nlp

Not applicable

39,284

01-Apr-2023

01:05

Not applicable

Normnfkc.nlp

Not applicable

66,384

01-Apr-2023

01:05

Not applicable

Normnfkd.nlp

Not applicable

60,294

01-Apr-2023

01:05

Not applicable

Prc.nlp

Not applicable

83,748

01-Apr-2023

01:05

Not applicable

Prcp.nlp

Not applicable

83,748

01-Apr-2023

01:05

Not applicable

Sortkey.nlp

Not applicable

262,148

01-Apr-2023

01:05

Not applicable

Sorttbls.nlp

Not applicable

20,320

01-Apr-2023

01:05

Not applicable

Xjis.nlp

Not applicable

28,288

01-Apr-2023

01:05

Not applicable

Mscordacwks.dll

2.0.50727.8973

1,760,648

29-Jun-2023

01:31

x64

Mscorwks.dll

2.0.50727.8973

10,626,440

29-Jun-2023

01:31

x64

Sos.dll

2.0.50727.8973

489,392

29-Jun-2023

01:31

x64

Big5.nlp

Not applicable

66,728

27-Jun-2023

01:39

Not applicable

Bopomofo.nlp

Not applicable

82,172

27-Jun-2023

01:39

Not applicable

Ksc.nlp

Not applicable

116,756

27-Jun-2023

01:39

Not applicable

Mscorlib.dll

2.0.50727.8973

4,628,480

29-Jun-2023

01:31

x86

Normidna.nlp

Not applicable

59,342

27-Jun-2023

01:39

Not applicable

Normnfc.nlp

Not applicable

45,794

27-Jun-2023

01:39

Not applicable

Normnfd.nlp

Not applicable

39,284

27-Jun-2023

01:39

Not applicable

Normnfkc.nlp

Not applicable

66,384

27-Jun-2023

01:39

Not applicable

Normnfkd.nlp

Not applicable

60,294

27-Jun-2023

01:39

Not applicable

Prc.nlp

Not applicable

83,748

27-Jun-2023

01:39

Not applicable

Prcp.nlp

Not applicable

83,748

27-Jun-2023

01:39

Not applicable

Sortkey.nlp

Not applicable

262,148

27-Jun-2023

01:39

Not applicable

Sorttbls.nlp

Not applicable

20,320

27-Jun-2023

01:39

Not applicable

Xjis.nlp

Not applicable

28,288

27-Jun-2023

01:39

Not applicable

Mscordacwks.dll

2.0.50727.8973

993,672

29-Jun-2023

01:31

x86

Mscorwks.dll

2.0.50727.8973

6,414,264

29-Jun-2023

01:31

x86

Sos.dll

2.0.50727.8973

393,144

29-Jun-2023

01:31

x86

How to obtain help and support for this update

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