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How to fix 'DefaultAzureCredentials failed to retrieve token' error in function app

David Shepherd 50 Reputation points
2025-05-27T08:33:12.2933333+00:00

I deployed a function app which is authenticated via DefaultAzureCredentials. However,image

I need help to fix the function app error message that is shown in the above image.****

Azure Functions
Azure Functions

An Azure service that provides an event-driven serverless compute platform.

Answer accepted by question author

RChotu 3,210 Reputation points Microsoft External Staff Moderator
2025-05-28T08:26:25.34+00:00

Hi @David Shepherd,

The error states that, the default credential is unable to generate a token.

Make sure that you have enabled managed identity and given the correct role to the resource as below:

image

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If you have any other questions or are still experiencing issues, feel free to ask in the "comments" section, and I'd be happy to help.

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