Microsoft Dynamics AX (Archived)

.NET framework 4.0 in AX 2009

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Posted on by Ganriver1

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Hi Friends,

We know AX 2009 is installed with .Net Framework 3.5. What if we want to use 4.0 and later.

We can install it side by side, but, how do you make sure AX code use 4.0 method.

Thanks,

River

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Vilmos Kintera 46,149 on at

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.Net Framework installations within Windows are stand-alone. The AX executable and DLLs are compiled for that specific target framework which you have mentioned. It does not matter what else do you install additionally.

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Martin Dráb 237,882 Most Valuable Professional on at

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You can't load .NET 4.0 (CLR 4) libraries to .NET 3.5 (CLR 2). But you could have a separate .NET 4 application and communicate with it from AX (e.g. via web services).

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Ganriver1 1,559 on at

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Martin,

Can I create a wrapper dll on 4.0, then reference dll in AX? That's what I try to find out, will the dll use Framework 4.0 or 3.5.

Thanks.

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Martin Dráb 237,882 Most Valuable Professional on at

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A library requiring .NET 4.0 for can't be loaded to a .NET 3.5 process. Period.

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Ganriver1 1,559 on at

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Following up post, we actually have to use TLS1.2 to communicate with third party web service, which is only supported by Framework 4+, that is why I post question to find out if we can use .NET 4.0 or later.

My colleague found the solution, which is registry setting, to force AX code using TLS1.2, that solved problem.

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cba1975 on at

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Hi, Ganriver,

Can you elaborate on the steps you took to make this work, I have same issue with AX 2009 connecting to an updated external service,

Thanks,

Chris

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Ganriver1 1,559 on at

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Chris,

What is your problem? TLS1.2?

If so, I don't have registry setting stuff, but, I believe you can google it find out.

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Community Member on at

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hello,

could you please share the steps to how use TLS 1.2 in AX 2009?

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Ganriver1 1,559 on at

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Udhay,

You need to update registry entry, I don't know which one, but you should be able to google it.

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Ganriver1 1,559 on at

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Here is link: support.microsoft.com/.../support-for-tls-system-default-versions-included-in-the-net-framework

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