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Issues using a Web Certificate to authenticate API Data Source

I want to connect Power BI Desktop to a secure web application using a security certificate.  I have installed my certificate on my machine.  I can access the web URL through my web browser and see the content I want.  When I run a power bi query against the same URL on the machine with my certificate installed.  I get a 500 internal server error.  I would get a 500 internal server error if I didn’t have the certificate on my web browser.


I have tried to modify the following file C:\Program Files\Microsoft Power BI Desktop\bin\Microsoft.Mashup.Container.NetFX45.exe.config to:













I have tried to modify these settings in the Power BI Desktop to:


  1. Go to File -> Options and Settings -> Options
  2. Options -> Security
    1. Check if your certificates have been revoked
  1.       Tried Comprehensive Check
  2.       Tried Basic Check
  •       Tried None
    1. Authentication Browser
  1.       Tried Checking “Use Default web browser.”
        1. Try changing my default brower to:
          1. Chrome
          2. IE.
          3. Edge


So far, nothing I have tried has worked.  My web browser happily accepts my web certificate, but not the Power BI Desktop application on the same machine. I spend some time looking for an answer and I would think there got to be something simple I can do to make this go. I would welcome any helpful hints.

Community Support
Community Support

Hi @MetricMan 


I am afraid currently Power BI doesn't support web certificate to authenticate Web API data sources. There are some similar ideas about this requirement below. You can vote them up or create a new idea. 

Microsoft Idea  · Client certificate authentication option in Power Query

Microsoft Idea  · Support TLS client cert based authentication


Best Regards,
Community Support Team _ Jing
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