Access Denied" error for a SharePoint Online user who is synchronized to Office 365

Access Denied" error for a SharePoint Online user who is synchronized to Office 365

Issue: Access Denied" error for a SharePoint Online user who is synchronized to Office 365

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WORKAROUND

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To work around this issue, remove the permissions for the affected user, users, group, or groups from all SharePoint Online sites. Then, add the user or group permissions back to the sites.

Note These steps must be performed for any affected users who meet the conditions that are described in the "Problem" section.

 Ref: https://support.microsoft.com/en-us/help/2917037/-access-denied-error-for-a-sharepoint-online-user-who-is-synchronized

 

I hope the above information will help you to resolve the issue, in case of any queries/questions regarding the above mentioned information then please let me know. I would be more than happy to help you as well as resolves your issues, Thank you.