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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Outdated credentials get stuck on devices, password sync gets turned off, or Microsoft Entra Connect just doesn’t update like it should. Here’s a step-by-step approach to help you spot the issue, fix it, and avoid these sync delays down the road. While M365 is highly stable, it’s not immune to occasional disruptions. We also check the synchronization scheduler to confirm delta and full sync cycles finish successfully.

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 support for Office 365 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

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.



We start by checking that Azure AD Connect is running and password sync is enabled. Repair Outlook Profile Online 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.

• Windows, Outlook, and mobile apps often save passwords so users don’t have to keep typing them.
• The Users Loaded count will be 0 if all users fail to meet the system's requirements for user records.
• Keeping things updated helps avoid compatibility issues between on-premises Active Directory and Microsoft 365.
• 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.
• These figures will give you an impression of how far over the limit the account is.
• Sometimes a missing or outdated connector blocks the link between Microsoft Entra ID and your local domain controller.
• First, we check that the password reset finished in Microsoft 365 or Microsoft Entra ID.

First, we check that the password reset finished in Microsoft 365 or Microsoft Entra ID. The user should log in to the Office 365 web portal with the new password. If the old password still works, the reset probably hasn’t synced. To avoid this, double-check that password writeback is turned on and working. 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.