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Microsoft Flow Dependence on EWS AllowList setting

Does Microsoft Flow rely on the O365 REST API?error.pngI am getting the above error.

Recently EWS filters were configured for my O365 tenant. Will this have any impact on MS Flow connectivity.


Kindly help.



Pradeep Nair 




Community Support
Community Support

Hi @pradeepnair74,


Yes, the Office 365 Outlook Connection under Microsoft Flow relies on the Office 365 REST API. So if your account are not allowed to use REST API, then you may encounter the error in the image you posted.

Microsoft Flow is built on top of Azure logic Apps, please check more details in the following article:

Choose between Flow, Logic Apps, Functions, and WebJobs

I am not familiar with the EWS filter, so there is no further suggestions that I can offer.





Community Support Team _ Michael Shao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Thanks for the response. 

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