We have resources to help you identify potential issues and fix them. Whether Microsoft Office 365 won’t open, or you're facing persistent Microsoft 365 sign-in problems, our experts are here to help. Microsoft 365 is a robust platform, but when problems arise, fast resolution is key to productivity. From sync errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly. The simplest way to resolve authentication issues is to rerun the authentication process by clicking the Sign in with Microsoft on the Microsoft 365 settings page. You run the Microsoft consent process using an eligible M365 account after which you will be taken to the sync's setup wizard.

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• The simplest way to resolve authentication issues is to rerun the authentication process by clicking the Sign in with Microsoft on the Microsoft 365 settings page.
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• You can do this in the Microsoft 365 Sync Wizard on the configuration page of your platform settings.
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• You run the Microsoft consent process using an eligible M365 account after which you will be taken to the sync's setup wizard.

If your Office 365 is not working properly because it’s outdated, support can handle update problems that prevent essential patches and security fixes from being installed. It seems to be some sort of error with the user not being able to connect and sync with M365 servers. This also started happening out of nowhere about a week Outlook Login Issues Troubleshooting ago. A vast community of Microsoft Office365 users that are working together to support the product and others.

I got an error message that my company has exceeded the number of objects that can be synchronized

Our licensing engineers can help triage complex problems and ensure you're on the right support path. The error message in the Summary sheet of the Sync Summary spreadsheet attachment can also highlight the reason for this. Both of our authentication methods can fail if the Enterprise Applications entry for the sync in Azure AD is deleted or Outlook Login Issues Troubleshooting if it has had its permissions modified. You can stop any accounts from being brought over by adding them to the sync deny list. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.

What should I do if my sync failed due to authentication issues?

TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth. To resolve these issues you should run the steps in this article and check whether the groups in your sync's filtering preference contain users in Azure modern authentication troubleshooting AD. The Sync Summary email can give further information about this. The Users Loaded count will be 0 if all users fail to meet the system's requirements for user records.

Tools & Methods To Use to Troubleshoot Office 365 Issues

The most common reason for missing users is that you've run a Test Sync, instead of a Manual Sync. You can run a Manual Sync from the Microsoft 365 Sync page. If that doesn't resolve your missing users issue, please follow our guide to troubleshooting missing users below. Whether you’re struggling with Microsoft 365 sign-in problems, Office 365 not working, or syncing issues, our team is here to help. Don’t let technical problems affect your productivity—contact us for immediate assistance.