I set it up and refreshed successfully. I would suggest you make changes to your data source as the error message guided. The connection string could be like this: https://kkkkkkk.kusto.kkkkkk.net:443. The point is 443, which means the connection is encrypted.
Best Regards, Dale
Community Support Team _ Dale If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.