Microsoft Ends Support for .NET Framework 4, 4.5 and 4.5.1 in January 2016

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by Radu Tyrsina 

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.NET Framework, the software framework developed by Microsoft that runs primarily on Windows, will have its 4, 4.5 and 4.5.1 versions deprecated in January 2016. This was already known, but Microsoft has now released another reminder through the official .NET blog.

Thus, starting from January 12, 2016 Microsoft will no longer provide support for NET 4, 4.5, and 4.5.1 frameworks, meaning that security updates, technical support or hotfixes will no longer be provided for these specific versions.

As for the other framework versions, 3.5, 4.5.2, 4.6 and 4.6.1, Microsoft said these will be supported for the duration of their established lifecycle. With this announcement, Stacey Haffner from Microsoft says “you should ensure that a supported version of the .NET Framework is installed in your environment, on Windows desktops and servers. This includes Azure and other cloud service deployments“.

If you recall, January 12 is also the same date when Microsoft is going to end support for all the older versions of Internet Explorer, as it tries to focus more on Microsoft Edge and bringing more people to Windows 10.

Thus, if you want to make sure that risks are minimized in your environment, Microsoft suggests to upgrade to a supported version, such as 3.5, 4.5.2, 4.6 and 4.6.1.

Radu Tyrsina

Radu Tyrsina Shield

Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time). For most of the kids of his age, the Internet was an amazing way to play and communicate with others, but he was deeply impressed by the flow of information and how easily you can find anything on the web. Prior to founding Windows Report, this particular curiosity about digital content enabled him to grow a number of sites that helped hundreds of millions reach faster the answer they're looking for.