Other day I got an error while registering a new Plug-in assembly
Reason:
- Its Plug-in assembly .Net Framework version issue.
- My plug-in class library defaulted to 4.6.1 version where as Dynamics 365 requires version 4.5.2 of the .NET Framework for plugin assemblies
Fix:
- Its a simple fix, open your Plug-in ‘Class library’ project in Visual Studio
- Go to Properties and change the .Net Framework to 4.5.2

- Save and Build solution
- Try registering the plug-in and it should work now.
🙂


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