Add context url to powerbi endpoint

Hi jcaroe ,
You are not doing anything wrong here. Its just that Power BI Report Server does not officially support hosting behind a sub-path  like /omr . It is designed to run at the root of a domain.
Best practice is to host it at the root of a dedicated subdomain.
If you still need help, you can open a Support ticket.

To raise a support ticket for Fabric and Power BI, kindly follow the steps outlined in the following guide:

How to create a Fabric and Power BI Support ticket - Power BI | Microsoft Learn

Hope this helps!

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Thank You