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Chad_
New Member

Power Automate - Actionable Message Error in Outlook (HTTP 401)

Hi all,

 

For our client, we've developed Power Automate flows that generate Actionable Messages to facilitate an approval process inside of Outlook.

 

In our client's desktop Outlook instance the Actionable Messages render correctly but when we try to click on a button we receive a "The remote endpoint returned an error (HTTP 401). Please try again later." We have also, to our knowledge, set up our HTTP headers correctly. 

 

The interesting thing is that on the iOS and Android Outlook apps the Actionable Messages are rendering correctly, the buttons work without issue. 

 

Furthermore, on our Actionable Email Developer Dashboard we are currently using the "Test Users" scope of submissions. 

 

We were wondering if anyone has an idea why we might be receiving this error? And why it might be working flawlessly on mobile Outlook but not on the desktop version of Outlook.

 

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