Add Newtonsoft.Json.dll (Microsoft Dynamics AX 2012) Error

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Posted on by LiuJie Xu

Hi all,

I have follow the below steps to add the "Newtonsoft.Json.dll" file in AX 2012 R3. Operating system is Windows Server 2012 R2.

1. Add the DLL file to Server\bin and Client\bin
2. Add reference from Server\bin folder, also try from client\bin

3. General Incremental CIL

4. Reboot server

But system still not able to recognize this object. Any suggestion? Thanks.

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Martin Dráb 237,801 Most Valuable Professional on at

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Where did you get the DLL file? Does it contain an assembly for the right version of .NET framework?

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LiuJie Xu 90 on at

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Thanks for reply.

I download it from NuGet, version 12. From the C# project, I can see this file's runtime version is v4.0.30319

From my Dev server, I can see there has a folder named .NetFramwork, but the Testing Environment does not have. Is that the reason? If yes, how to install/create this folder in production server. Looks like install the feature through the control panel, does not work.

I do not have the knowledge about the .net development. I have not idea what I missed. What should I check.

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ergun sahin 8,826 Moderator on at

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was the dll pre-added (I'm talking about the first adding moment)

It may be looking in the global assembly cache (GAC) or there may be a version difference between the dll you added to the bin and the dll in ax

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ergun sahin 8,826 Moderator on at

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www.microsoft.com/.../confirmation.aspx

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Martin Dráb 237,801 Most Valuable Professional on at

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Just saying that you've downloaded the NuGet package doesn't tell us what DLL you're using, because the package contains multiple versions of the DLL. Could you please answer once more where you got the DLL file?

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LiuJie Xu 90 on at

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LiuJie Xu 90 on at

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I download the the file from NuGet package, the version show it v12.03. After that, I use it in my C# project, salesforce connector. When I build this project, it was create 2 dll file under the project foleder\Debug, I copied this DLL file from this file folder.

Then I copied to AX server\bin and Client bin folder

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Martin Dráb 237,801 Most Valuable Professional on at

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Then it depends on the target framework of your C# project.

It may be worth ignoring your C# project for now, because it's not directly related to your question. Let's focus on the DLL reference in AX. Rename the NuGet package to .zip, unzip it and then choose the DLL file you want. For example, use the one from \lib\net40\.

Then add this particular file as a reference in AOT (make sure you don't keep the previous one) and copy this file to bin folders.

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LiuJie Xu 90 on at

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The C# project target framework is .Net Framework 4.5. And the Testing environment has installed the .Net Framework 4.5 feature from the Control panel.

I have copied the file from the zip file, \net45\ and copy it to the server\bin and client\bin, and add it to the AOT. It works now, do not understand why.

Thank you very much.

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