Microsoft offers several built-in tools to help identify and resolve persistent issues. 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. I'm considering deleting as many objects from the tenancy as I can, and starting from as close to the beginning as I can. Even I've only been doing this with test users so far, so haven't actually broken any actual users yet, I still need to get this resolved quickly. A vast community of Microsoft Office365 users that are working together to support the product and others.

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We tell users to sign out completely and remove stored credentials from Windows Credential Manager or their device’s keychain. Sometimes, rejoining the device to Azure AD or just reauthenticating in Office apps does the trick. This pops up a lot after admins reset a password in the Microsoft 365 admin center. That changes the password in Microsoft Entra ID, but not right away in your local Active Directory. You end up with mismatched passwords between the cloud and your local network. The Users Loaded count will be 0 if all users fail to meet the system's requirements for user records.

What to do when Office 365 password reset doesn’t sync across devices

Real-time collaboration is at the core of Microsoft 365; however, issues can arise due to permissions, software version conflicts, or connectivity problems. Find out what to do if you are having issues with syncing users or groups from Microsoft 365. It seems to be some sort of error with the user not being able to connect and sync with inbox repair tool alternative M365 servers. We also scan Event Viewer logs under Applications and Services Logs → Directory Synchronization for Event IDs like 650–657 (for sync activity). Errors like Event ID 611 point to invalid replication data or outdated software. On the sync server, we open the Synchronization Service Manager and check that the last sync finished without errors.

Login & Sync Errors: Personal & Business Microsoft 365 Accounts on Same Device

Start by disconnecting the device from Work or School Account settings, then reconnect with the user’s updated password. Cached credentials on Windows or mobile devices can block the update. We tell users to sign out and sign back in with the new password. Running the Azure AD Connect Health tool gives you alerts for sync errors and interruptions. Keeping Azure AD Connect up to date and testing sync regularly helps password resets flow like they’re supposed to.

Reviewing Device Sign-In Settings

You can view your reset cached Exchange mode inactive users on the Users page and delete them as you see fit. Similarly you should review the Users Deactivated sheet on the sync summary spreadsheet attachment as you can also delete these users to bring your total down. 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. Updating Azure AD Connect to the latest build often fixes known sync issues.



Password sync usually fails when credentials don’t update between Microsoft Entra ID (Azure AD) and your on-premises Active Directory. Most of the time, the problem comes from timing delays, configuration mistakes, or cached credentials on devices that don’t pick up new passwords. We check that Microsoft Entra Connect (Azure AD Connect) runs the latest version and password sync is on. Keeping things updated helps avoid compatibility issues between on-premises Active Directory and Microsoft 365. If problems stick around, we rejoin the connection status shows disconnected devices to Microsoft 365 services.

Common Causes of Office 365 Password Reset Sync Issues

• Even I've only been doing this with test users so far, so haven't actually broken any actual users yet, I still need to get this resolved quickly.
• We also scan Event Viewer logs under Applications and Services Logs → Directory Synchronization for Event IDs like 650–657 (for sync activity).
• Running the Azure AD Connect Health tool gives you alerts for sync errors and interruptions.
• The system requires that users have a first name, last name and a valid email address that conforms with your domain lock if enabled.
• You can stop any accounts from being brought over by adding them to the sync deny list.
• Users I create within the Office 365 portal are fine, so I assume it is something to do with Azure AD Connect.

TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth. TrustedTech is a Microsoft CSP Direct Bill Partner with all six Solutions Partner designations and decades of expertise in licensing, support, and cloud infrastructure. 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. 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 if it has had its permissions modified. I didn't try logging in originally, I just assumed they'd work, and so tried migrating mailboxes.