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404 "Sorry, there's been a disconnect"

I was hoping to demo Flow to some new users but can't sign in yesterday or today.

I'm using IE 11 on Windows 10 1607 with all the latest updates.

Based on other posts where people have the same problem, I'm providing the following info:

I still get the problem in private mode in IE. I also get the problem in Chrome.

 do not use two factor auth.

I do use ADFS for authentication to Office 365 - and that works fine for other bits of Office 365 (e.g.,, Planner).

Time: 2017-10-13T09:01:46.8266216Z
Session ID: 68d11d3122a844f793b5415b2b369ffc
Community Support
Community Support

Hi RobinCM,


What’s your current situation? Are you still having the issue?

Do you have Edge to try to sign in?

Is this the first time you got this error message?

I would also suggest you clear cache to try gain.

If you are still having the issue, please feel free post back.


Best regards,
Mabel Mao

Community Support Team _ Mabel Mao
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Same problem, already posted several times, but never answered (and never solved). Cannot use Flow any more.

@CSART I came across this thread just now. Sorry to hear that you faced issues with 2FA and Flow.


We observed customers running into similar issues sometime back, and blogged about "most likely" resolution to the problem:
Hope you came across this post and it helped you fix the issue you were encountering. If not, please go through the blog post and try out the steps. If you still run into issues, please let us know and we can investigate further from our end.

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