.NET Version - Asyn Call - Task.Run() vs Task.Factory.StartNew()

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Hello!

I am trying to implement an self written .NET library. During the development I used .NET Framework 4.5 (on the PC). Right now I am trying to integrate my working library into AX 2012 (CU12). I thought .NET 4.5 is supported by the AX2012 CU12?! Am I wrong? Because right now my library dies when this line of code will be called by my lib:

var Result = await Task.Run(() => DoWorkFindAddressesOnPtvXServer(tempAddresses, taskReady));

Do I have to change it to TaskFactory....? How can I figure out which .Net version will be supported by the client?

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Vilmos Kintera 46,149 on at

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Check the system requirements guide here on Page 8, various versions are using different .Net framework.

https://www.microsoft.com/en-us/download/confirmation.aspx?id=11094

4.5 is required by AX 2012 R3 and above, and supported below.

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Community Member on at

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But there is no "upgrade" to 4.5 during the AX 2012 R3 CU12 update!?

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Vilmos Kintera 46,149 on at

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Your issue could be related to which target have you compiled your library for. If it is initiated in client, the AX client is 32-bit only. If it is running server-side, then you need 64-bit.

Also for client-side try selecting Target Framework as Client Profile in the solution's application properties.

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Martin Dráb 237,801 Most Valuable Professional on at

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await can be used only in asynchronous methods. Does it mean that you're trying to call an asynchronous method through a synchronous call from X++ (which doesn't know anything about async)? If so, it should look suspicious to you.

By the way, why does your title says "Task.Run() vs Task.Factory.StartNew()". I don't see anything related in the body of your question.

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