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Microsoft Dynamics 365 is not compatible with the current .Net framework version?

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We are using Microsoft Dynamics 365 v9.1 on-premises. We have a codebase solution that consists of 33 projects, 3 of which are referenced by our CRM plugin project.

Due to the current limitations of Dynamics 365 (see https://learn.microsoft.com/en-us/dynamics365/customerengagement/on-premises/developer/visual-studio-dot-net-framework?view=op-9-1), which only works with .Net Framework 4.6.2, to maintain consistency throughout our codebase, the ‘Target Framework’ of all of our projects is set to .Net 4.6.2.

This setup has worked for us over the past couple of years, but recently Nuget packages have started to remove support for .Net 4.6.2 (e.g., One of our projects is a Wix Installer, which creates an MSI Package for us. The latest version of Wix, which is v4.0.1, no longer works.). A month or so ago, there was only 1 package that we use which did not have support for .Net 4.6.2, but now there are over 5 packages.

Is Microsoft really forcing CRM users to use an old version of the .Net framework?

I also noted that Microsoft Dynamics 365 cloud also has the same limitation, so even if we migrated our CRM installation to the cloud, we would still suffer from this problem.

With both .Net Framework 4.6.2 and Dynamics 365 End Of Life coming in 2027, will Microsoft publish an update to Dynamics 365 that will enable us to upgrade to the current .Net framework version?

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Guido Preite 54,086 Moderator on at

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for CRM plugins you need to use 4.6.2, if you have other projects (like console applications connecting to your on-premise instance) you can try to update them to 4.8 and use more recent nuget packages (the core assemblies and xrm tooling) and see if they work as expected.

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Dynamics team should be ashamed of themselves. The fact they haven't at least uplifted to latest framework versions is sloppy and shows they want to let the platform rust.

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Adrian Begovich 1,027 Moderator on at

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Hi,

The .NET SDK assemblies for Dynamics 365 for Customer Engagement are built on .NET Framework version 4.6.2. I have not heard about a plan to update the NET SDK assemblies, but I assume this will be done before the .NET Framework version 4.6.2 reaches end of support on January 12, 2027.

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