Both of our authentication methods can fail if the Enterprise Applications entry for the sync in Azure AD is deleted or if it has had its permissions modified. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind. After these instructions, ensure the sync settings are correct and check everything is working well. For managed setups, we can push a PowerShell script with Intune or Group Policy to clear cached tokens on all devices. A quick look at the Microsoft Entra Connect Health portal helps us see if sync tasks are current and the connection to Microsoft 365 is steady.

• 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.
• Here’s a step-by-step approach to help you spot the issue, fix it, and avoid these sync delays down the road.
• We keep password synchronization reliable by staying proactive and making sure users know how their actions affect access across Microsoft 365 and their devices.
• Now, we will verify the server settings to fix the Outlook synchronization error.
• Windows, Outlook, and mobile apps often save passwords so users don’t have to keep typing them.
• When they go back to the message and press send they get an error that the message has been deleted.
• If you're looking for smarter ways to manage, secure, or optimize your Microsoft 365 (M365) environment, our U.S.-based team is here to help.
• Once you have completed the steps to fix Outlook sync errors, kindly check if the error has been fixed or not.

Troubleshooting Microsoft 365 sync issues

At NetTech Consultants, we help organizations keep Microsoft 365 running smoothly and securely. The Users Loaded count will be 0 if all users fail to meet the system's requirements for user records. The Users Processed count will be 0 is there are no users in the synced dataset after filtering.

Common Reasons Behind Outlook Sync Issues

If the old password still works, the reset probably hasn’t synced. To resolve these issues you should run the steps in this article and check Outlook Login Issues Troubleshooting whether the groups in your sync's filtering preference contain users in Azure AD. 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.

Address

Keeping things updated helps avoid compatibility issues between on-premises Active Directory and Microsoft 365. If problems stick around, we rejoin the devices to Microsoft 365 services. Start by disconnecting the device from Work or School Account settings, then reconnect with the user’s updated password.

Get Expert Help from TrustedTech

If you're looking for smarter ways to manage, secure, or optimize your Microsoft 365 (M365) environment, our U.S.-based team is here to help. In these cases, direct escalation to Microsoft or working with a Microsoft CSP partner, such as TrustedTech, can expedite resolution and minimize downtime. Our licensing engineers can help triage complex problems and ensure you're on the right support path. Microsoft offers several built-in tools to help identify and resolve persistent issues. A vast community of Microsoft Office365 users that are working together to support the product and others. TrustedTech is dedicated to being a reliable resource for all software and technology support needs.





You can stop any accounts from being brought over by adding them to the sync deny list. Please allow me a few minutes to review your question FixTechGuide Outlook repair tutorial to ensure that I don't miss anything. TrustedTech is a Microsoft solutions Partner in the following areas.

Troubleshooting Co-Authoring and Collaboration Errors

On the sync server, we open the Synchronization Service Manager and check that the last sync finished without errors. Azure AD Connect handles password sync, but it runs on a schedule—usually every 30 minutes. So, if you just changed your password, there might be a short window where your old password still works and the new one hasn’t reached every system.

Discover how IT leaders can address key Microsoft Copilot questions on cost, deployment, security, and integration to maximize ROI and adoption. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.



Before finding solutions, we suggest that users check their internet connection. Sometimes, Outlook sync issues can arise because of poor internet connection. If you are still facing this issue, kindly follow the solutions below to fix the sync issues in Outlook.

With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems. These can include missing files, ghost icons, or documents that do not update in real-time. Here, we will Office 365 Sync Errors Fix discuss the five manual methods to fix sync issues in Outlook or OWA.