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Dynamics 365 on-premises IFD PROBLEM authentification by C#

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Posted on by Song 87

Hi,

I am trying to use CRM WEB API by using HttpWebRequest. when using external crm address org.domain.com/.../v8.2..., iltwill throw 401 error, but when using internal address servername/.../v8.2, it works well.

Is it normal? we would like to build an middle WEB API which will be called by mobile phone app and which will call the CRM WEB API to do CRUD operations.

thanks

Song

  • Suggested answer
    Kokulan Profile Picture
    Kokulan 18,048 on at
    RE: Dynamics 365 on-premises IFD PROBLEM authentification by C#

    Hi

    Make sure both addresses are trusted by your ADFS

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Dynamics 365 on-premises IFD PROBLEM authentification by C#

    Hi Song,

    The CRM you are using is a On-Premise or Hosted Application?

  • Community Member Profile Picture
    Community Member Microsoft Employee on at
    RE: Dynamics 365 on-premises IFD PROBLEM authentification by C#

    Hi Song,

    I have a solution for this. revert back on this if you still need this.

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