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Troubleshooting sign-in with OData feed

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This article contains troubleshooting options when signing in using an organization account for an OData feed:

  • Credential type not supported error
  • Access denied errors

The following sections describe each error, and the steps to remedy them, in turn.

Credential type not supported

You might see the following error, indicating the credential type isn't supported:

We are unable to connect because this credential type is not supported 
by this resource. Please choose another credential type.

You need to ensure your service is sending auth headers as follows:

  • First Oauth request without any authorization header should send the following header in response:

    www-authenticate: Bearer realm=https://login.microsoftonline.com/<Your Active Directory Tenant Id>

  • Redirect request to the service with authorization header set to Bearer should send the following header in response:

    www-authenticate: Bearer authorization_uri=https://login.microsoftonline.com/<Your Active Directory Tenant Id>/oauth2/authorize

After a successful redirect call, calls to your service have the right access token in the authorization header. If you still see an error, clear the Global Permissions for the OData service URI and try again. To clear Global Permissions, go to File > Options and Settings > Data Source Settings > Global Permissions.

Access denied

You might see one of the following errors, indicating access is denied:

access_denied: AADSTS650053: The application 'Microsoft Power Query for Excel' 
asked for scope 'user_impersonation' that doesn't exist 
on the resource \<resourceId\>.

Microsoft Power Query for Excel needs permission to access resources 
in your organization that only an admin can grant. 
Ask an admin to grant permission to this app before you can use it.

If you encounter such an error, ensure the application registration for your OData service has following settings:

  • Application ID is set to the OData service base URI.
  • Scope user_impersonation is defined.
  • The application's permissions are appropriately set by the administrator.

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