XHR request fails with 401 rather than ask for username/password

Fixed Issue #11996777


Mark W.
May 12, 2017
This issue is public.
Found in
  • Microsoft Edge
Found in build #
Fixed in build #
Reported by 2 people

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Steps to reproduce

With our AngularJS 1.5.8 app, the latest version of Edge (part of the Creators Update) will not ask the user for basic authentication credentials required for an XHR. The 401 status returned by the web service is simply treated as an error.

If the user makes the web service request manually, the authentication dialog is displayed and future XHRs to the web service work.

Attached is login information for seeing this problem occur in a simplified scenario. The source for this simplified app is also provided (msedgetest.zip). You cannot actually run the app because it relies on the web service running on the same server. (You could presumably replace the web service call with any requiring basic authentication, however.)

Also provided is a screenshot of the success case. Chrome was used, but the same result occurs in Firefox, IE 11, and the Edge version prior to the Creators Update.

Lastly, a screenshot of the failure in Edge 15.15063, with the console showing the 401 error, is provided.


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    Comments and activity

    • Changed Steps to Reproduce

    • Microsoft Edge Team

      Changed Assigned To to “James M.”

      Changed Assigned To to “Venkat K.”

      Changed Assigned To from “Venkat K.” to “Scott W.”

      Changed Status to “Confirmed”

      Changed Status from “Confirmed” to “In progress”

      Changed Assigned To from “Scott W.” to “Rajat J.”

      Changed Status from “In progress” to “Confirmed”

      Changed Steps to Reproduce

      Changed Assigned To from “Rajat J.” to “Yingjia L.”

      Changed Assigned To from “Yingjia L.” to “Saranya K.”

      Changed Status from “Confirmed”

      Changed Assigned To from “Saranya K.” to “Rajat J.”

      Changed Status to “Fixed”

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