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An error occurred while making the HTTP request

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Posted on by George_Smith

I have a console application that updates data in crm and it works well in most cases. But yesterday I got the error:

An error occurred while making the HTTP request to https://****.crm.dynamics.com/XRMServices/2011/Organization.svc/web?SdkClientVersion=9.0.0.0. This could be due to the fact that the server certificate is not configured properly with HTTP.SYS in the HTTPS case. This could also be caused by a mismatch of the security binding between the client and the server.

I`m using framework 4.7.2 and I have "ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12" above my connection.

Dynamics 365 Online version 9.1.0000.22251

Any suggestions?

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Gilmeyer Microsoft Employee on at

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Hi ,

Are you using the latest version of D365 SDK?

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George_Smith 15 on at

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Hi,

Yes.

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Gilmeyer Microsoft Employee on at

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Hi,

As per support.microsoft.com/.../4051700

"For code built with the Dynamics 365 SDK

Recompile your client applications using .NET framework 4.6.2 or higher.  If your code is already compiled with .net 4.6.2 or higher, then there is no action required."

One important note for .NET based apps

You can force TLS 1.2 protocol using the following command :

ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

This forces the TLS 1.2 security protocol at all time. This is not recommended as you run the risk of having to update this when there is a newer security protocol adopted by the industry.

Can you please remove the force TLS 1.2 as you are already on correct version of .NET Framework. Let me know if it still occurring.

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