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Dynamics 365 Community / Forums / Finance | Project Operations, Human Resources, ... / API Integration with D...
Finance | Project Operations, Human Resources, ...
Suggested Answer

API Integration with D365FO: Can I Get Access Token with MFA enabled on ADFS?

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Posted on by Momochi 1,038
Hi dears !
I have a .NET application that is integrated with D365FO through SOAP/REST APIs.
I was able to successfully integrate with D365 FO on-prem no problem through a REST getToken API with ADFS.
But there is one environment that I'm unable to integrate with, recieving /invalid_grant/ error from the getToken API.
This environment has MFA (Multi-Factor Authentication) enabled on their ADFS. I asked them to disable MFA to test the API and it worked.
Is it possible to get the access token with MFA enabled? or the only solution is to exclude the integration user from the MFA policy?
 
in the get token API call, we are providing the following parameters:
- resource= https://url.example/namespaces/AXSF
- client_id= 111-1111-111-111 (example)
- client_secret=1111111111 (example)
- Tenant = https://url.example/adfs
- grant_type = client_credentials
 
Any advice is appreciated !
Thanks in advance !
I have the same question (0)
  • Suggested answer
    Kevin Xia Profile Picture
    Kevin Xia Microsoft Employee on at
    Hi,
    Can you share a screenshot of the error or the full error message? You can think about excluding specific integration users from the MFA policy first and then look for other solutions, or you can consider using the OAuth 2.0 authorization code flow. You can refer to this blog: https://impulztech.com/dynamics-365-finance-and-operations-acquire-access-token-using-oauth-2-0/. This blog discusses how to obtain access token in Dynamics 365 Finance and Operations to enable data access of another application via APIs that use OAuth 2.0 authorization protocol.
    Best regards,
    Kevin
  • Momochi Profile Picture
    Momochi 1,038 on at
     
    Here is the screenshot for the error I receive in the get token API in postman while MFA is enabled:
    And once we disable MFA, the access token is received without any issue.
    I thought of excluding the integration users from MFA policy, but the IT team are being strict and asking me if there are other solutions... 

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