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The thumbnailPhoto attribute is synced only one time between Azure AD and Exchange Online.Note The thumbnailPhoto attribute can store a user photo as large as 100 kilobytes (KB).
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For example, when the user views his or her photo in Outlook, Outlook on the web (formerly known as Outlook Web App), or Skype for Business Online, the user’s previous Exchange Online profile photo is still displayed.Īlthough the thumbnailPhoto attribute is synced from the on-premises environment to Azure Active Directory (Azure AD), the following things could cause this problem. When you change an Office 365 user’s photo by accessing that user’s on-premises information / Active Directory / Azure Active Directory, the change isn’t synced to Exchange Online. When Sync profile photos from Outlook is selected, Employee Directory Plus syncs photos from outlook profile pictures.
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