This article describes the Microsoft .NET Framework 4.6.1 for Windows Server 2012 R2 that is available on Windows Update and Windows Server Update Service (WSUS).
About this update
This update is released on Windows Update as follows:
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The .NET Framework 4.6.1 will be offered to all Windows Server 2012 R2 computers that have an earlier version of the .NET Framework 4.5.1, 4.5.2, 4.6 installed. Following are some important points about this update:
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When WSUS server is synchronized with Microsoft Update server or Microsoft Update Catalog site for importing updates, you will see that there are two updates with the .NET Framework 4.6.1 being published for each platform. The difference in the updates is scoped to the different applicability logic for targeting different computers. Please read the details included in the description of the respective update to get more information. We recommend that you import both the updates, if you plan to deploy the .NET Framework 4.6.1 in your enterprise.
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One of the .NET Framework 4.6.1 updates will install only on computers that have an earlier version such as the .NET Framework 4.5.1, or 4.5.2 installed.
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The other .NET Framework 4.6.1 update will install on those computers that either have the .NET Framework 4.6 installed or no .NET Framework installed.
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Computers that do not have the .NET Framework 4.5.2 or a higher version installed will be offered both .NET Framework 4.5.2 and .NET Framework 4.6.1. You have an option to choose the .NET Framework version you need.
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You can block the .NET Framework 4.6.1 from offering on Windows Update by using the instructions mentioned in How to temporarily block the installation of the .NET Framework 4.6.1 and its language packs.
Download information
The following files are available for download from the Microsoft Download Center:
119591 How to obtain Microsoft support files from online services Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
More Information
For more information about the .NET Framework 4.6.1 or the .NET Framework Developer Center, go to the following Microsoft websites:
You can install the .NET Framework 4.6.1 manually by using the offline installer from download center. For more information about the .NET Framework 4.6.1 offline installer, view The .NET Framework 4.6.1 offline installer for Windows.
Restart requirement
You must 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.
Applies to
This article applies to the following:
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Microsoft .NET Framework 4.6.1 when used with:
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Windows Server 2012 R2
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