Error Connecting to Power BI Service in DAX Studio

I am trying to directly connect my DAX studio instance to my organizations premium Power BI Service workspace.

Under my workspace settings, I've located the name of the workspace connection.

My next step is to copy the connection string and paste it into my DAX studio connection engine.

Instead of successfully connecting, I am prompted with the following error message:

Does anyone have any insight as to why I am unable to connect to the PBI service? Are there advanced options that I need to consider?