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. The sync does not delete users but rather sets them to inactive. The idea is to provide a recycle bin of users who you can delete when you no longer need them.

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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

On Windows, open Credential Manager, pick Windows Credentials, and remove anything related to Office 365 or Microsoft 365. On macOS or iOS, delete stored credentials from Keychain Access. To update from Azure AD Sync Office 365 Sync Errors Fix to Microsoft Entra Connect, see the upgrade instructions.

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

Waiting a few minutes after changing the password often clears recreate Outlook profile step by step up short-term sync issues. We look at audit logs in the Microsoft 365 admin center to see when and where the password changed. That tells us if the new credentials made it to the cloud directory. We usually check settings like Password Writeback, Synchronization Rules Editor, and Service Account Permissions to spot misconfigurations. Sometimes a missing or outdated connector blocks the link between Microsoft Entra ID and your local domain controller.



We start by checking that Azure AD Connect is running and password sync is enabled. Online outlook email repair Utility If it’s in Staging Mode or a recent change didn’t trigger a full sync, passwords won’t update in Microsoft 365. If a password reset in Office 365 doesn’t sync across devices, it’s usually because of incomplete synchronization, old credentials, or device caching.

• The M365 sync establishes a synced dataset based on your M365 data and the filtering configuration of your sync.
• On macOS or iOS, delete stored credentials from Keychain Access.
• Checking the sync logs helps confirm password changes are making it everywhere they should.
• This can happen for the a number reasons particularly if your sync authenticates using Delegated Permissions.
• Bad settings in Azure AD Connect cause lots of password sync failures.

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.