This issue being related to the AAD broker plugin is literally NOWHERE else on the internet. You can disable Add-Ins on launch by pressing CTRL and hitting the Microsoft Office app shortcut. In this case, consider using safe mode, which is useful for Office 365 troubleshooting.

Office 365 won’t log in without EnableADAL = 0

Service health is the online tool available for Office 365 for organizations (if you have work and school Office 365 accounts). Only Office 365 administrators can access this tool in the Office 365 admin center. Use the Service health dashboard to find possible Office 365 issues and read the provided advice on how to fix them. File and storage issues with Microsoft Office 365 are more serious than other issues. They are not merely inconvenient and slow down work but can also lead to critical data loss.

Accidental deletion of important files

Then try to activate the installed Office 365 suite again on your computer. You may need to remove old Microsoft Office licenses from your computer and install a new one. So figuring that was the same issue here, I did the same thing.

Difficulty in updating a SharePoint file with another user

If multiple versions of Microsoft Office are installed, Office 365 activation issues may occur. Uninstall old versions of Microsoft Office from your computer and try to activate Microsoft Office 365 again. This works for a week and then the issue raises it’s head again.

Use the NAKIVO solution to back up Microsoft 365 data in Exchange Online, Teams, OneDrive and SharePoint Online for uninterrupted workflows and zero downtime.Speaking of research, I haven’t found much info newer than December 2018.For all of my Office 365 clients, including my own setup from the Action Pack, Modern Authentication is enabled.After looking deeper into my problem with my RDS servers, the only solution I found is to run the script of @spiceuser-lijul into a GPO at each user logon.If you don’t connect the installed Office 365 applications to Microsoft servers for more than 30 days in a row, these applications are deactivated.However, sometimes employees may not have the required permissions to open and edit an item.If i run and install the AAD Plugin as shown, it’s fixing the issue.Download the software and configure data backup in your environment.

Domain Verification Issues

The good news is that the majority of problems can easily be solved on the client’s side. Microsoft recommends updating Windows, Microsoft Office and other software regularly. Microsoft updates are released on a regular basis and allow you to protect software against known threats, fix bugs, and so on. Office 365 known issues are usually fixed by these updates. Let’s find out what you can do if updates are not installed automatically, and what factors can cause update issues. Reboot your system and try to launch your Outlook app after to check if the synchronization issues are solved.

How do I reset my Office login?
Reset a forgotten Microsoft account passwordSelect “Forgot password?” If the “Enter password” window is still open select Forgotten your password? …Verify your identity. …Get a verification code. …Enter code and reset password.

Microsoft Support and Recovery Assistant

Check POP3 and SMTP settings for connecting to Microsoft mail servers (addresses of servers, ports, encryption, authentication). If you use Microsoft Office 365 Outlook as a standalone email client, and you cannot send and receive email messages, check the Outlook connection settings. Make sure that network access to the Microsoft servers is not blocked. Check the firewall on your computer, the router, and DNS configuration.

I highly recommend NOT just disabling modern authentication Fix Office 365 password reset problems using that registry entry because you will have all manner of headache with other Office365 applications. Some of them allow users to get updates before the main release while others provide updates at a later time. The update channel used by Office 365 depends on your Office 365 subscription plan and on configuration. If after running the Remote Connectivity Analyzer Office 365 issues are not fixed, try using Microsoft Support and Recovery Assistant.

Office 365 won’t log in without EnableADAL = 0

For all of my Office 365 clients, including my own setup from the Action Pack, Modern Authentication is enabled. I have run into multiple Outlook 2016 installations where the only way to get connected to Outlook is to add EnableADAL and set it to 1. These have been fresh Office 365 Business Premium installations, existing Office 2016 OEM installations, and on my Action Pack installation of Office 2016. We haven’t seen this issue arise when a user is on a machine that was originally imaged with Office 365.