windows authentication and owin bearer authentication causes 401 request/negotiate flood

Confirmed Issue #5408455 • Assigned to Rob T.


Nov 12, 2015
This issue is public.
Reported by 1 person

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Steps to reproduce


Repro Steps:

  1. start the sample project
  2. click on “windows login”
  3. (complete windows auth if it did not occur automatically)
  4. verify you have a bearer token stored in sessionStorage
  5. click send secure request button few times
  6. verify via fiddler the correct number of requests are being sent
  7. hit f5 (refresh page) quickly a few times in succession
  8. click send secure request button again
  9. watch via fiddler as 1000s of requests are being sent out

Expected Results:

The expected behaviour is for one request to occur

Actual Results:

Dev Channel specific:



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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Crispin C.”

      Changed Status to “Confirmed”

      Changed Assigned To to “Venkat K.”

      Changed Assigned To from “Venkat K.” to “Rob T.”

      Changed Assigned To from “Rob T.” to “James M.”

      Changed Assigned To from “James M.” to “Rob T.”

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