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Power Platform Community / Forums / Copilot Studio / Issue Connecting Copil...
Copilot Studio
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Issue Connecting Copilot Studio Agent to Azure API Management via Azure AD

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Hi Team,
 
We are encountering an issue connecting our agent in Copilot Studio to a REST API hosted on Azure API Management. This API is a .NET service published in Azure.

Previously, we successfully authenticated using Ocp-Apim-Subscription-Key. However, as of two days ago, we are receiving the error message: "User(C2) connections must use Azure Active Directory."

To resolve this, we've implemented the following:

  • Created an app registration in Azure Active Directory.

  • Configured Access Control in Azure API Management to utilize this app registration.

  • Re-added the REST API in Copilot Studio, configuring its authentication type as OAuth 2.0.

Despite these steps, the connection continues to fail. We would appreciate your assistance in troubleshooting this issue.

 
Regards
Aarthikha.K
 
I have the same question (0)
  • Suggested answer
    Michael E. Gernaey Profile Picture
    53,335 Super User 2025 Season 2 on at
     
    Were you able to resolve this yet?
     
    I am curious of the following
     
    1. How you configured your App Registration
    -What type of delegation
    -What rights you gave
     
    and just to validate did you leverage this
     
    to configure your connections
     
    Also, then, for your agent, for this Action, what authentication do you have setup? In the action / advanced usually.
     

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