AADSTS50196 error message

How to fix error AADSTS50196 on Microsoft web properties?

This post was most recently updated on September 14th, 2020.

Reading Time: 3 minutes.

This article explains how to fix error with error code AADSTS50196. This issue usually comes up with an error message somewhat like “The server terminated an operation because it encountered a client request loop.”

The error seems to be popping up more and more often. No worries – it wasn’t caused by you! It is, in fact, an unintended side effect of a security hardening feature in some browsers, and some outdated configuration on Microsoft’s end.

Obviously, you could run into the issue on other sites as well, and the workaround is actually the same. The example error messages on this article will be from Microsoft, however.

But let’s first take a step back. What exactly does happen?

Problem

Table of Contents


When navigating to a website hosted by Microsoft – and, crucially, offering a log-in provided by Microsoft – you are unable to proceed and encounter an error message like below:

Sorry, but we’re having trouble signing you in.

AADSTS50196: The server terminated an operation because it encountered a client request loop. Please contact your app vendor.
Troubleshooting details
If you contact your administrator, send this info to them.

Request Id: 
[omitted]
Correlation Id: [omitted] 
Timestamp: 
[omitted]
Message: AADSTS50196: The server terminated an operation because it encountered a client request loop. Please contact your app vendor.

Advanced diagnostics:
If you plan on getting support for an issue, turn this on and try to reproduce the error. This will collect additional information that will help troubleshoot the issue.

This ugly error is likely thrown at you as soon as you try to access the website.

Due to the implicit authentication happening behind the scenes, the error might stop you from accessing sites such as microsoft.com, MSDN subscriber downloads or even Microsoft Store.

Solution

There’s a couple of different solutions to this issue – but the actually root cause is with the way Microsoft handles authentication to their web properties. You can’t solve that. But the steps below aim to remediate the issue somewhat and should help – at least temporarily!

Time needed: 5 minutes.

How to solve AADSTS50196 Error on your machine?

  1. Change to a different browser

    Especially if you’re using Microsoft Edge or Apple Safari, switching to another browser might help. Google is not very prudent about security-related things, so Google Chrome might be the most likely browser to work.

  2. Clear your browser’s cache

    Removing cookies might help! This issue might be solved (at least temporarily) by getting rid of any offending cookies. How to do this varies between browsers, but usually the following keyboard combination opens up the view to do just that:

    Ctrl + Shift + Delete

    From the window that opens, make sure to choose anything and everything that relates to “cookies”, and hit “Clear”. Like shown in the screenshot below!


    How to clear cookies in Microsoft Edge - hit Ctrl + Shift + Delete, select "Cookies" and hit "Clear".

And you should be good. If it didn’t help, let me know in the comments section below! :)

References

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