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Add Infinite login loop Microsoft Q&A

Keri Arteaga 2025-11-22 20:36:29 +00:00
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Content<br>
Right now we have it set to prompt when a user is not on any of our corporate networks or they are using a mobile device. To locate and view the registry setting for Anonymous Authentication in the Outlook profile, follow these steps. This issue can occur if the Logon network security setting on the Security tab of the Microsoft Exchange dialog box is set to a value other than Anonymous Authentication. Today was the first time in about 2 months that I had the issue. It happened right before lunch, locked my machine, went out for lunch, came back, and logged in, this time successfully.
Additional resources
Please help can't afford a new computer if I throw this one against the wall. Yeap, you describe it exactly and unfortunately we still don’t have an answer. Closed the window without entering anything and Outlook returned to ‘Connected to Exchange’. Office 2016 is already Modern Authentication aware so APP passwords are not required.
Microsoft Office 365 Endless Authentication Loop Issue
We’ve got a support case opened with Microsoft on this one but it’s been open for about 3 months.There doesn’t appear to be any pattern to the issue occurring or the problem being limited to any specific computer or user.We are looking at using conditional access policies where a user with a Domain joined PC is not prompted for MFA.It happened right before lunch, locked my machine, went out for lunch, came back, and logged in, this time successfully.I checked my MS account info page, subscription is fine.The user could use the Windows mail and calendar apps but Outlook wouldn’t connect and kept prompting for a password.I disabled the Zoom and Adobe PDF plugins and it stopped prompting me immediately.
You may have to rebuild/restore your outlook folder/files which is a pain. I’d do that one step at a [Outlook data file cannot be accessed](http://mtthub.org/groups/microsoft-365-customer-service-and-support-1034427029/) time, forgoing the restore of the cached files. If this box is greyed out or disabled then you need to reset the Windows Credential Manager first. Or, any suggestion on how to fix this issue, even better.
Outlook stuck in an MFA loop
Close and open your web browser again and go into [Outlook OST vs PST repair](https://indiancrafts79.com/microsoft-office-outlook-2016-and-2013-stuck-at-updating-folder/) SuiteFiles. You will most likely need to enter your Microsoft 365 credentials again so ensure you tick any box that says remember my credentials but it should now work for all future documents you open and not require your credentials. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. I regret that you are experiencing issues with your Microsoft installation.
Outlook 365 Password Prompt Issue on Windows Desktop
So not doing anything at all even seems to work. Which to me sounds [Repair Outlook Profile Online](https://indiancrafts79.com/how-to-resolve-sync-issues-in-outlook-a-detailed-guide-2/) like the issue is service side, not client side. Problem doesn’t just happen on PC’s connected to the internal network, but can happen when a laptop is remote and connected via external wifi or mobile hotspot.