I have been evaluating the on-premises gateway. I installed the gateway, successfully created several reports accessing Oracle databases using it, but other users could not access those reports, thou...
Following up after a long hiatus: I created a support ticket, spent some time with a Microsoft specialist who gave up trying to get the 'new gateway software 3000.40.15' running and told me to keep using the old version. Since when I have no longer used PowerBI.