User rights for Microsoft Power Query access to BO universes

Dear all,

I'm trying to connect to a BO Universe using Microsoft Power Query (Excel Add-in), the authentication window is displaying the a message telling that I'm not authorized to connect to the universe ("Access Forbidden").

I'm using the url http://<server>:6405/biprws to connect to BO universes folder.

Do you know what kind of user rights need to be enabled into the CMC to allow user access to BO universes via Power Query?

Thanks in advance,

Best regards