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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Outdated credentials get stuck on devices, password sync gets turned off, or Microsoft Entra Connect just doesn’t update like it should.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 Outlook stuck updating folders solution 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
But setup is a little complicated and it can sometimes be difficult to identify the source of problems. We have resources to help you identify potential issues and fix them. With apps syncing across devices and cloud services, sync issues are among the most frequently reported M365 problems. These can include missing files, ghost icons, or documents that do not update in real-time. The sync will fail if the total number of all users (active or inactive) on your account exceeds the user limit placed upon it if present.
Reviewing Device Sign-In Settings
The Users Processed count will be 0 is there are no users in the synced dataset after filtering. 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 AD since the M365 sync was configured on your account. To get the sync working you will either need to delete users or have the user limit on your Office 365 sync problems and login fixes account increased. Users I create within the Office 365 portal are fine, so I assume it is something to do with Azure AD Connect. We have reset the router, checked internet speeds, signed in and out of M365 apps, reinstalled apps and checked for Windows updates.
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.
Common Causes of Office 365 Password Reset Sync Issues
- If problems stick around, we rejoin the devices to Microsoft 365 services.
- 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.
- For managed environments, we use Intune or Group Policy to force sign-in credential sync and clear old tokens.
- 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.
The mailbox says it migrated okay, but I find it can't be accessed, even by another user created in Office 365. When configuring Azure AD Connect, I chose the options for Pass-through Auth + Seamless SSO + Password Hash sync. 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 need to login to the correct microsoft account if you need to sync your computer and tablet. TrustedTech is dedicated to being a reliable resource for all software and technology support needs.