Ws-Trust authentication failure

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Posted on by Venkatesh Gopalaiah

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Hi,

We have dynamics 365 portal developed using "xRM Portals Community Edition" which is working fine, however, the same code does not work for newly created dynamics 365 instances. The following error is thrown

An error occurred when processing the security tokens in the message:You are using Ws-Trust authentication which has been deprecated and no longer supported in your environment. Please use OAuth2.0 authentication.

We have changed the connection string to use OAuth as mentioned below but the problem perisit.

AuthType=OAuth;
 Username=jsmith;
 Password=passcode;
 Url=https://xxx.crm4.dynamics.com;
 AppId=51f81489-12ee-4a9e-aaae-a2591f45987d;
 RedirectUri=app://58145B91-0C36-4500-8554-080854F2AC97;
 TokenCacheStorePath=c:\MyTokenCache;
 LoginPrompt=Auto"

How to fix this?

regards
Venkatesh

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a33ik 84,331 Most Valuable Professional on at

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Hello,

Have you updated references to the latest version of the SDK?

Have you tried to use "App User" and "ClientSecret" authentication instead?

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Ali .NET on at

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Refer to this article published by Brian please

How to fix Office 365 WS-Trust Authentication Deprecation for Dataverse and Dynamics 365 Client Applications

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