Azure-docs: Scripting error with html file causes automatic redirect to jwt.ms

[KepanoEgg]

When running the user flow after following this guide, I get quickly redirected to jwt.ms where it tells me there was a server error "The resource 'https://<my-tenant>.blob.core.windows.net/<my-storage>/custom-ui.html' contains script errors preventing it from being loaded."

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Document Details

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• ID: 36c209d9-c15f-87a4-a7ee-bb2bd3416961
• Version Independent ID: 2f76d983-a940-fa5f-abe0-4c851e377608
• Content: Tutorial - Customize the interface of user experiences - Azure Active Directory B2C
• Content Source: articles/active-directory-b2c/tutorial-customize-ui.md
• Service: active-directory
• Sub-service: b2c
• GitHub Login: @mmacy
• Microsoft Alias: marsma

[KrishnaG-MSFT]

@KepanoEgg Thanks for your comment. We are actively investigating and will get back to you shortly.

[jenniferburch]

I'm getting the same problem when using through a WebUI but it's working in a mobile app.

[shashishailaj]

@mmacy Could you please help with guidance on this documentation ? As per the customer's above the details provided in the tutorial doc fail through a Web UI ?

[mmacy]

@shashishailaj Yes, adding this one to my queue. Were you able to repro, by chance?

[JasSuri]

Usually the only reason for this is because the CORS setup was incorrect.
Can you review:
https://docs.microsoft.com/en-us/azure/active-directory-b2c/tutorial-customize-ui#enable-cors

If your tenant is contoso.onmicrosoft.com, then the CORS setting must be
https://contoso.b2clogin.com

And
You must select the b2clogin.com domain at this step:
https://docs.microsoft.com/en-us/azure/active-directory-b2c/tutorial-customize-ui#test-the-user-flow
And not use the default loginl.microsoftonline.com domain.

And can you go to test-cors.org to test your https://.blob.core.windows.net//custom-ui.html URL for the correct CORS response.

Expected response is

Fired XHR event: loadstart
Fired XHR event: readystatechange
Fired XHR event: readystatechange
Fired XHR event: progress
Fired XHR event: readystatechange
Fired XHR event: load

XHR status: 200
XHR status text: OK
XHR exposed response headers:

[KepanoEgg]

The issue was that I glossed over the "must be lower case" part. I know it's on me for skipping that, but there's at least two of those in these tutorials, I feel like maybe that text should be bold, and put before you tell someone what to type.

[mmacy]

@KepanoEgg Requesting this issue be closed as the original question has been addressed. On next rev of this article I'll highlight the lowercase requirement, thanks for the call-out.

please-close