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Add Fix Sync Issues Between Personal & Work 365 Accounts

Alfred Vanwinkle 2026-01-31 13:04:19 +08:00
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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.This software allows users to process numerous OST files at once without any size limitations.Now, we will verify the server settings to fix the Outlook synchronization error.When they go back to the message and press send they get an error that the message has been deleted.Once you have completed the steps to fix Outlook sync errors, kindly check if the error has been fixed or not.The Summary sheet on the spreadsheet attachment of your sync summary includes an Updated User Count and User Limit.
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 [Microsoft Outlook Email Repair Tool Online](https://affiliateincome.top/mypayingsites/member.php?action=viewpro&member=ArlenK6147) 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.
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Now, we will verify the server settings to fix the Outlook synchronization error. Once you have completed the steps to fix Outlook sync errors, kindly check if the error has been fixed or not. The M365 sync establishes a synced dataset based on your M365 data and the filtering configuration of your sync.
Get Expert Help from TrustedTech
We show users how to reset passwords using approved methods like the Microsoft 365 portal or self-service password reset (SSPR). If someone changes their password only in the cloud or just on a local system, things can get out of sync pretty quickly. Bad settings in Azure AD Connect cause lots of password sync failures. If password writeback isn’t enabled or the service account doesn’t have the right permissions, new passwords won’t update in Active Directory. That leaves people locked out with their new password on the cloud but not locally. If users are facing syncing issues in Outlook due to corrupt Outlook data files, they must choose a professional tool, like Shoviv OST to PST Converter Tool.
You can run a sync manually with PowerShell or the Azure AD Connect tool to make sure updates go through. Checking the sync logs helps confirm password changes are making it everywhere they should. The [Troubleshoot Office 365 Sync and Login Issues](https://diasporameets.com/read-blog/2973_how-to-fix-my-outlook-i-can-039-t-open-i-039-m-trying-to-click-the-repair-now-bu.html) idea is to provide a recycle bin of users who you can delete when you no longer need them. You can view your inactive users on the Users page and delete them as you see fit.
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.
The sync will fail if it can't find any users that comply with your filtering preferences or the system's requirements for user records. The system requires that users have a first name, last name and a valid email address that conforms with your domain lock if enabled. 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. After performing these steps, Outlook’s all folders will be synced to the server.
Methods to fix Microsoft Outlook syncing error
Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc. It also provides the option to export the Outlook OST file into Office 365 and Live Exchange mailboxes. This software also has a splitter option to split large-sized PST files into smaller ones, helping users prevent oversized PST file issues. Incorrect Outlook settings can also be one of the reasons behind Outlook synchronization errors. We keep password synchronization reliable by staying proactive and making sure users know how their actions affect access across Microsoft 365 and their devices. If sync keeps failing, we make sure the Microsoft Entra Connect service account has the right permissions and the server connects to the domain controller.
We check that the Work or School Account in Windows Settings is active and linked to the right domain. The sync will fail if the groups you selected to load users from no longer exist in Azure AD. Typically this is because the selected groups have been deleted from Azure [FixTechGuide login issue guide](https://demo.safecircle.family/read-blog/30686_the-heart-of-the-internet.html) AD since the M365 sync was configured on your account.