The Windows 10 Team 2020 Update adds support for modern authentication of the Hub device account in some scenarios. Once you install the 2020 update, you can migrate from legacy basic authentication to make use of the latest security improvements if the device account authenticates via Azure Active Directory and the account's mailbox is hosted in Exchange Online. With the 2020 Update, Surface Hub supports Exchange Web Services (EWS) protocols and Active Directory Authentication Library (ADAL) based authentication when syncing the device account with Exchange Online.

In this video you will learn what the requirements are to use Modern Authentication for the device account on Surface Hub and how to disable Modern Authentication for unsupported environments.

Learn more: https://docs.microsoft.com/en-us/surface-hub/surface-hub-modern-auth