Introduction

This March 2017 Preview of the Monthly Quality Rollup for Windows 8.1 and Windows Server 2012 R2 includes cumulative improvements in reliability in the .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, and 4.6.2. We recommend that you apply this quality rollup as part of your regular maintenance routines. Before you install this update, see the "Known issues" section.

Known issues

There is a known issue in this update. For more information, see KB 3214106.

Quality and reliability improvements

The following articles contain additional information about the individual quality and reliability improvements as they relate to each .NET Framework product version.

Note These updates also contain cumulative updates that were included previously starting from October 11, 2016.

  • 3217126 March 2017 Preview of the Quality Rollup for the .NET Framework 3.5 on Windows 8.1 and Windows Server2012 R2 (KB 3217126): March 21, 2017

  • 3216968 March 2017 Preview of the Quality Rollup for the .NET Framework 4.5.2 on Windows 8.1 and Windows Server 2012 R2 (KB 3216968): March 21, 2017

  • 3216975 March 2017 Preview of the Quality Rollup for the .NET Framework 4.6 and 4.6.1 on Windows 8.1 and Windows Server 2012 R2 (KB 3216975): March 21, 2017

  • 4014656 March 2017 Preview of the Quality Rollup for the .NET Framework 4.6.2 on Windows 8.1 and Windows Server 2012 R2 (KB 4014656): March 21, 2017

Applies to

This article applies to the following:

  • Microsoft .NET Framework 3.5, 4.5.2, 4.6, 4.6.1, and 4.6.2 when used with:

    • Windows Server 2012 R2

    • Windows 8.1

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