This means that the authentication setup for your sync is no longer valid. This can happen for the a number reasons particularly if your sync authenticates using Delegated Permissions. To update from Azure AD Sync to Microsoft Entra Connect, see the upgrade instructions.

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• The sync will fail if the groups you selected to load users from no longer exist in Azure AD.
• Find out what to do if you are having issues with syncing users or groups from Microsoft 365.
• To diagnose and automatically fix several common Microsoft 365 sign-in issues, run the Microsoft 365 Sign-in troubleshooter.
• Sync failure alerts do not always include a full summary or attachment, you can run a test sync to obtain this data.
• From sync errors to sign-in challenges and collaboration setbacks, these common Office 365 troubleshooting techniques can restore service quickly.
• These figures will give you an impression of how far over the limit the account is.
• Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems.

The Users Processed count will be 0 is there are no users in the expert Outlook tips by FixTechGuide synced dataset after filtering. If you don't wish an inactive user to be made active by the M365 sync, you can add the user's email address to the sync forbid list. You can do this in the Microsoft 365 Sync Wizard on the configuration page of your platform settings. You'll also receive a mail (to the alternate email and to your admin email) from Microsoft 365 that indicates your tenant has encountered directory synchronization errors.

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

To diagnose Outlook and OneDrive connection issues that often cause Office 365 not working problems. Create your account and connect with a guide to Office 365 sign-in errors world of communities. I have a user who is having trouble syncing with Microsoft 365. The authentication issue occurs because of missing package information about either the Active Directory Authentication Library (ADAL) or Live ID.

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 Fix Outlook and Office 365 Errors 2025 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.

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The sync will fail if the total number of all users (active or inactive) on your account exceeds the user limit placed upon it if present. The Summary sheet on the spreadsheet attachment of your sync summary includes an Updated User Count and User Limit. These figures will give you an impression of how far over the limit the account is. Sync failure alerts do not always include a full summary or attachment, you can run a test sync to obtain this data.