If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked. If your account is locked but you have not defined your recovery email address, try to fill out the Microsoft account recovery form. The plugin is activated on 3 servers (out of 4) and the modern authentication is working just fine. If the provided recommendations don’t help you resolve the issues or you want to send Office 365 complaints, call Microsoft support.

Office 365 won't log in without EnableADAL = 0

Check the version of Microsoft Office installed on your computer and your subscription name and expiry date. Office 365 applications installed on a computer must connect to Microsoft servers over the internet at least once every 30 days for the license to be checked and validated. 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. Once a connection is established to Microsoft licensing servers, the license is renewed.

Common Office 365 Issues and How to Solve Them

Use the NAKIVO solution to back up Microsoft 365 data in Exchange Online, Teams, OneDrive and SharePoint Online for uninterrupted workflows and zero downtime.

How to fix Office 365 issues related to synchronization

They can either be simple, like the OneDrive service not running or the missing OneDrive icon on the taskbar, or more complex, like OneDrive conflicting with Microsoft 365. Below we provide a more detailed list of issues and corresponding solutions. Editing file permissions and providing users with appropriate access is a simple way to solve such Microsoft 365 problems. To fix these related Office 365 issues, you can try disabling Add-Ins and then running Microsoft apps without them. Check the Add-Ins installed in your Microsoft 365 apps.

So figuring that was the same issue here, I did the same thing.If you encounter an issue in Office 365 that can only be fixed by the vendor, Microsoft usually releases an update to resolve any known issues as soon as possible.It’s nuts to me that MS has had this issue for YEARS and has just been duck taping it and moving on.After installing and running the application and entering the Office 365 account credentials, run tests to identify the problem and find the needed solution.Uninstall old versions of Microsoft Office from your computer and try to activate Microsoft Office 365 again.You can set access permissions for the entire organization or invite only the users you specify.If the provided recommendations don’t help you resolve the issues or you want to send Office 365 complaints, call Microsoft support.

Email and Synchronization Issues

These add-ins can cause issues such as app crashes or significant performance degradation. Office 365 syncing problems are common for Office Mobile, but sometimes similar issues may occur for Office 365 desktop applications like OneDrive and Outlook. 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.

How to fix Office 365 login issue?
Step-by-Step Troubleshooting for Microsoft Office 365 Login IssuesCheck if the caps lock is on.Make sure you are using the correct account (work, school, or personal).Double-check the username and password before entering.Ensure there is no extra space before or after your username and password.

If you are having a lot of end-user support headache because of Office365 quirkiness… well, it may very well be because this rather critical module is missing. We haven’t identified WHY it is missing for some user Win10 installs and not others yet. OneDrive issues are a separate category of problems with Microsoft 365.

Just today he IM’d me and said "oh yeah, this other issue we have been trying to fix for weeks on end… it was ALSO just resolved because we fixed this". My main concern is that these dialog boxes may return, prompting further user frustration and possibly generating tickets. Speaking of research, I haven’t found much info newer than December 2018. I haven’t opened a ticket with MS Office 365 login issues yet but I may if my search does not prove fruitful. Once the key is added, and the user restarts Outlook, they receive a legacy authentication dialog box, enter their domain password, and connect to their mailbox without issue. This seems to be our most effective fix, and it’s the one we arrived at after hours of forum digging and web searches.

Domain Verification Issues

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.