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

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 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. You run the Microsoft consent process using an eligible M365 account after which you will be taken FixTechGuide Office 365 troubleshooting to the sync's setup wizard. You can close the wizard at this point as you do not need to complete it for re-authentication to take effect.

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 mailbox not updating on IMAP 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 Sometimes a missing or outdated connector blocks the link between Microsoft Entra ID and your local domain controller.



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 FixTechGuide mailbox repair steps devices to Microsoft 365 services.

• If a password reset in Office 365 isn’t syncing, users usually get sign-in errors or find old credentials still hanging around on devices.
• On macOS or iOS, delete stored credentials from Keychain Access.
• You will need to have the correct privileges set on your Azure account in order to set up the M365 sync.
• Checking the sync logs helps confirm password changes are making it everywhere they should.
• 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.