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PowerAutomate Flow: Fails with TF400813: Resource not available for anonymous access. Client authentication required.

Deepika Adike 1 Reputation point
2021-08-13T06:22:22.88+00:00

Hi,

I have a PowerAutomate flow where I am trying to add a user in ADO using REST API. PFB snapshot of the step where it fails. This is the error - code: 401 - "TF400813: Resource not available for anonymous access. Client authentication required."

123005-image.png

The credentials used to establish connection between ADO and PowerAutomate has Project Collection Administrator privileges as well in Azure ADO. The same REST API when called from PowerShell with the same credentials, just works fine. But when called from flow it fails.

Any pointers on how to resolve this issue would be very helpful.

Thanks!

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  1. Vaibhav Chaudhari 38,686 Reputation points
    2021-08-13T06:36:53.467+00:00

    Hi Deepika,

    Power Automate / App / Flow related questions are not supported on this forum. It's better to reach out to experts in a dedicated forum over here:

    https://powerusers.microsoft.com/t5/Microsoft-Power-Automate/ct-p/MPACommunity

    Please don't forget to Accept Answer and Up-vote if the response helped -- Vaibhav