Power BI Report Server (September 2019) - 401 Unauthorized

[Anonymous]

Hi,
I use PowerBI Report Server with external custom visuals.

Standard visuals is running but not seen custom visuals.

I seen error below when click F12

Can you help, please. Thank you

Expected Report below

Actual report below

[Anonymous]

I also encountered the same problem, is there an updated solution?

[Anonymous]

Any update on this? I don't have those kb in the server and still can't manage to work with bpi report server with custom authentication.

[Anonymous]

Hi again

I resolved my problem for now. Cause of problem is windows updates, ( KB4524420 – KB4533011 )

I removed two updates from Windows Server 2012 R2.

My system info
Windows Server 2012 R2
PowerBI Report Server (September 2019)
PowerBI Report Server Custom Authantication
liquidFillGauge.pbiviz visual in powerbi Report

I know, that is not correct solution but i had to be fast.

[iyadhh]

hi @Anonymous , i have the same exact issue but with diffrent custome visual,however in my case if i swtich back to windows authentication the custom visual rendered just fine,so was wondering if you have same behaviour so i can remove the win updates.

would appreciate your update in case you find a better solution 

Many Thanks

[Anonymous]

Hi @iyadhh 

Thank you to feed back.

Yes, I know resolved when switch windows authentication. But i must use custom auth. 

I wasn't try yet to Power BI Report Server - January 2020 . I hope be solution.

[iyadhh]

Hi,

we dont have such KBs insttalled, we are using Windows Server 2016,

so now i'm back to square one, hope somebody will come up with solution.