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

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Microsoft offers several built-in tools to help identify and resolve persistent issues.



Troubleshoot Office 365 Sync and Login Issues

You can close the wizard at this point as you do not need to complete it for re-authentication to take effect. You should run a test sync after re-authenticating the sync to ensure it is working. It could be due to incorrect login details, administrator password resets, or account lockouts after multiple failed attempts. Whether it’s a Microsoft Office 365 sign-in problem or a password reset issue, here’s how to get back in securely.

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  • 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.
  • The system requires that users have a first name, last name and a valid email address that conforms with your domain lock if enabled.
  • Comprehensive repair solutions for Office apps—both Quick Repair and Online Repair to ensure minimal downtime.
  • You can do this in the Microsoft 365 Sync Wizard on the configuration page of your platform settings.
  • Ive repaired the OST and changed cache mode to only cache 1 year.
  • Another which is shown below, is a user opens a new message, or replies to one, and lets it sit for a while.
  • You run the Microsoft consent process using an eligible M365 account after which you will be taken to the sync's setup wizard.


The Users Processed count will be 0 is there are no users in the visit educhoice.co.uk synced dataset after filtering. If you don't wish an inactive user to be made active by the M365 sync, you can add the user's email address to the sync forbid list. You can do this in the Microsoft 365 Sync Wizard on the configuration page of your platform settings. You'll also receive a mail (to the alternate email and to your admin email) from Microsoft 365 that indicates your tenant has encountered directory synchronization errors.

I got an error message that my company has exceeded the number of objects that can be synchronized



The idea is to provide a recycle bin of users who you can delete when inbox repair tool alternative you no longer need them. You can view your 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. With directory synchronization, you can continue to manage users and groups on-premises and synchronize additions, deletions, and changes to the cloud. But setup is a little complicated and it can sometimes be difficult to identify the source of problems.

Troubleshoot Office 365 Sync and Login Issues

What should I do if my sync failed due to authentication issues?



Troubleshoot Office 365 Sync and Login Issues

TrustedTech delivers unbeatable customer service, with experts in licensing and high-level technicians always on-call to answer your tech issues in-depth. 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 FixTechGuide support for Office 365 AD. The Sync Summary email can give further information about this. The Users Loaded count will be 0 if all users fail to meet the system's requirements for user records.

Tools & Methods To Use to Troubleshoot Office 365 Issues





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. The Summary sheet on the spreadsheet attachment of your sync summary includes an Updated User Count and User Limit. These figures will give you an impression of how far over the limit the account is. Sync failure alerts do not always include a full summary or attachment, you can run a test sync to obtain this data.
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