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Dynamics 365 Community / Forums / Microsoft Dynamics CRM (Archived) / Call Dynamics 365 Web ...
Microsoft Dynamics CRM (Archived)

Call Dynamics 365 Web API without oAuth Authentication

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Posted on by Twbrck

Hei all,

I struggle with the integration of a legacy app to Dynamics 365 on-premise.

The Software can only use Basic Authentication or NTLM Authentication against a Web API.

The CRM is IFD hosted. 

Can we use Basic Authentication instead of oAuth in an IFD hosted enviroment? 

I tried to call the Web API with SOAP UI over Basic Authentication but I get everytime a redirect to the ADFS.

*This post is locked for comments

  • khoait Profile Picture
    khoait 450 on at
    RE: Call Dynamics 365 Web API without oAuth Authentication

    If the legacy app is used internally which means it is in the same network with the CRM server, try connecting your app to CRM using internal URL instead of IFD URL.

  • Twbrck Profile Picture
    Twbrck on at
    RE: Call Dynamics 365 Web API without oAuth Authentication

    Hei,

    is there a way around this?

    IFD unfortinally has to stay enabled.

  • khoait Profile Picture
    khoait 450 on at
    RE: Call Dynamics 365 Web API without oAuth Authentication

    Hi. OAuth is the only authentication option if you enable IFD.

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