Office 365 Issues and How to Fix Them

I’m tired of having to sign in over and over again so I need a solution for the most modern version of this app so I can fix it. Yes, it’s updated and yes, I’ve tried uninstalling an reinstalling. The issue the users face is Teams or Outlook just refused to log in. The only fix is to delete the Teams folder in %appdata%\Microsoft and delete the Outlook profile and re-create it. We have found on user endpoints that the AAD Broker Plugin is sometimes missing and this is what causes all manner of hell and headache with Microsoft applications/services for end users. The Office 365 repair tool can help you fix the majority of Office 365 problems for installed Office 365 applications (not applicable if you use online apps only).

Microsoft 365 Issues with the Safari Browser

Spent weeks with MS support and he got rather irritated when they told him to disable ADAL. He then started digging into Windows Microsoft 365 password reset help and how modern auth works and came across the above fix. As soon as he figured it out he handed the full fix to MS support with all instructions as shown above. So hopefully the official MS support answer and documentation will change. It’s nuts to me that MS has had this issue for YEARS and has just been duck taping it and moving on. Disabling ADAL can “fix” the issue with outlook but in our experience it still left TONS of other stuff broken.

Microsoft Support and Recovery Assistant

However, sometimes employees may not have the required permissions to open and edit an item. If you have forgotten your password for the Office 365 account, try to recover or reset the password. A vast community of Microsoft Office365 users that are working together to support the product and others. To diagnose and automatically fix several common Microsoft 365 sign-in issues, run the Microsoft 365 Sign-in troubleshooter. The authentication issue occurs because of missing package information about either the Active Directory Authentication Library (ADAL) or Live ID. This issue occurs only on computers that are running Windows 10, version 1703 or later, and Microsoft 365 version 1807 or later.

Microsoft 365 Issues Related to Updates

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. And it’s random users, not all users experience this in this environment. We inherited this client and it took us 2 weeks to discover that whoever setup their O365 tenant originally hadn’t enabled Modern Authentication. We enabled it thinking that would fix the problem, but sadly no.

• So hopefully the official MS support answer and documentation will change.
• I haven’t opened a ticket with MS yet but I may if my search does not prove fruitful.
• Editing file permissions and providing users with appropriate access is a simple way to solve such Microsoft 365 problems.
• Uninstall old versions of Microsoft Office from your computer and try to activate Microsoft Office 365 again.
• This error appears when you attempt to upload or save a Microsoft 365 item.
• 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.
• Once a connection is established to Microsoft licensing servers, the license is renewed.

Email and Synchronization Issues

To fix these related Office 365 issues, you can try disabling Add-Ins and then running Microsoft apps without them. 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. For all of my Office 365 clients, including my own setup from the Action Pack, Modern Authentication is enabled.

Microsoft Office 365 Activation Issues

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.