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Applies to:

Microsoft .NET Framework 2.0 Microsoft .NET Framework 3.0 Microsoft .NET Framework 4.5.2 Microsoft .NET Framework 4.6

This update is included in the Preview of Quality Rollup that's dated August 20, 2019. Parts of this update were previously released in the Security and Quality Rollup on July 9, 2019.


This article lists the Quality Rollups for .NET Framework 2.0, 3.0, 4.5.2, and 4.6 for Windows Server 2008 SP2.


  • Starting in August, 2019, updates to .NET Framework 4.6 and later for Windows Server 2008 SP2, Windows Server 2008 R2 SP1, and Windows 7 SP1, require SHA-2 code signing support. To avoid installation issues, make sure that you have all the latest Windows Updates before applying this update. For more detailed information about SHA-2 code signing support updates, see KB 4474419.

  • All updates for .NET Framework 4.6 for Windows Server 2008 Service Pack 2 (SP2) require that the d3dcompiler_47.dll update is installed. We recommend that you install the included d3dcompiler_47.dll update before you apply this update. For more information about the d3dcompiler_47.dll, see KB 4019990.

  • 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.

Additional information about this update

The following articles contain additional information about this update as it relates to individual product versions.

  • 4507003 Description of the Security and Quality Rollup for .NET Framework 2.0, 3.0 for Windows Server 2008 SP2 (KB4507003)

  • 4507001 Description of the Security and Quality Rollup for .NET Framework 4.5.2 for Windows 7 SP1 and Server 2008 R2 SP1 and Windows Server 2008 SP2 (KB4507001)

  • 4511516 Description of the Preview of Quality Rollup for .NET Framework 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, and 4.7.2 for Windows 7 SP1 and Server 2008 R2 SP1, and for .NET Framework 4.6 for Server 2008 SP2 (KB4511516)

How to obtain help and support for this update

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