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dynamics 365 on premise Oauth2 grant types

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Posted on by martin.carpenter

good day I have a grant type question . we recently upgraded our AD to ADFS4 , giving us more grant type options. I would like to be able to use the client_credential grant type for all my WebAPI call from our legacy systems (using Layer7 ) for application to application communication. I was able to get a ClientID (with client secret) create and generate a token (PowerShell script) but I keep getting an access denied error when trying to access any WebAPI endpoint . all the research that I've been able to find give me solution for dynamics 365 online using Azure AD . is there a way to connect to a on premise version (no azure involvement) using this grant type. if so what do I need to do get it working

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Satish Tiwari - CRM on at

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RE: dynamics 365 on premise Oauth2 grant types

Hello Martin,

You can explore below article and see if it helps.

nishantrana.me/.../

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Pankaj Gogoi 3,177 on at

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RE: dynamics 365 on premise Oauth2 grant types

Hello Martin,

Please check out these articles.

docs.microsoft.com/.../walkthrough-register-app-active-directory

docs.microsoft.com/.../sample-authenticate-users-web-services

Hope this helps.

Regards

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martin.carpenter 32 on at

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RE: dynamics 365 on premise Oauth2 grant types

good article but both refer to using the Authorization code grant type and I'm looking for a way to use the Client Credentials grant . I have my client_id but all the documentation I'm for online, require me to register the client in the application. that what I'm trying to figure out

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martin.carpenter 32 on at

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RE: dynamics 365 on premise Oauth2 grant types

good article but both refer to using the Authorization code grant type and I'm looking for a way to use the Client Credentials grant . I have my client_id but all the documentation I'm for online, require me to register the client in the application. that what I'm trying to figure out

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Pankaj Gogoi 3,177 on at

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RE: dynamics 365 on premise Oauth2 grant types

Hello Martin,

This article talks about registering an app in AD FS and also granting permission.

docs.microsoft.com/.../post-installation-configuration-guidelines-dynamics-365

This article talks about Web API authentication with on-premise deployments

docs.microsoft.com/.../authenticate-web-api

This article talks about oAuth token with common data service. It also has sample code to get the token.

docs.microsoft.com/.../authenticate-oauth

Hope this helps resolving your issue.

Thanks

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