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Microsoft Flow on Onpremise Enviroment with FBA and Claim base enable

I have a Sharepoint 2016 environment and Im leveraging Microsoft flow for a lot of tasks because save development time and doesn't require any additional deployment other than the  on-premise data gateway and inside my SharePoint site I have a web application running with  Mixed Authentication that generates a problem when Microsoft flow is trying to create the connection to the site.


I think this is a key feature missing from Microsoft flow.

Status: New
New Member

When a SharePoint web application has multiple authentication modes, it is required that the requests to SharePoint include HTTP header "X-FORMS_BASED_AUTH_ACCEPTED" with value "f", to let SharePoint know the intent to use Windows authentication.
Since this header is not added by Microsoft.PowerBI.EnterpriseGateway.exe, SharePoint responds with HTTP 403