Applies ToWindows 8.1 Windows Server 2012 R2 Datacenter Windows Server 2012 R2 Essentials Windows Server 2012 R2 for Embedded Systems Windows Server 2012 R2 Foundation Windows Server 2012 R2 Standard

November 8, 2016 A detection change was made to account for the .NET Framework 4.6.1 hotfix rollup for customers who were not being correctly offered this reliability rollup for the .NET Framework 4.6.1.

Summary

This article describes the reliability rollup 3186208 for the Microsoft .NET Framework on Windows 8.1 and Windows Server 2012 R2. This update includes cumulative improvements in reliability in the .NET Framework 4.6, 4.6.1, and 4.5.2. Specifically, this update contains a cumulative account of all limited distribution release (LDR) updates that have been shipped to date. No new features are introduced in this update. This update provides important reliability improvements in the following .NET Framework components, among others:

  • Common Language Runtime

  • Windows Forms

  • Windows Presentation Foundation

  • Windows Communication Foundation

  • ASP.NET

See the prerequisites for applying this update.This reliability rollup includes the following updates.

KB number

Description

3179948

Reliability Rollup 3179948 for the .NET Framework 4.6 and 4.6.1 on Windows 8.1 and Windows Server 2012 R2

3179944

Reliability Rollup 3179944 for the .NET Framework 4.5.2 on Windows 8.1 and Windows Server 2012 R2

More Information

How to obtain this update

Method 1:

This update is available from Windows Update, as an Optional update.

Method 2:

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

Prerequisites

To apply this update, you must have the .NET Framework 4.5.2, 4.6, or 4.6.1 installed, as appropriate.

Command-line switches for this update

For information about the various command-line switches that are supported by this update, visit Command-Line Options on MSDN site.

Restart requirement

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

Update removal information

To remove this update, use the Add or Remove Programs item or the Programs and Features item in Control Panel.

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