This article lists the known issues that you may experience after you install the Microsoft .NET Framework 4.6.1. 

Product issues for the .NET Framework 4.6.1

For the issues that you may experience after you install the .NET Framework 4.6.1 and their available workarounds, see the following Microsoft Knowledge Base articles. 

Article ID



Spelling checker isn't supported in the .NET 4.6.1 in some conditions


The .NET Framework 4.6.1 installation fails on Azure Cloud Service Role


RunContinuationsAsynchronously does not run continuations asynchronously


Applications that rely on TLS 1.2 strong encryption experience connectivity failures after a Windows upgrade


For more information about application compatibility in the .NET Framework 4.6.1, see Application compatibility in the .NET Framework 4.6.1.

For the known issues in earlier versions of the .NET Framework, see the following Knowledge Base articles:

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