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ESET Mailbox Scan in hybrid

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i faced some problems with mailbox scanning in our hybrid environment.

On Demand Mailbox scan i can enter credentials for Office 365 account but i receive the following error:


Benutzername= username with ApplicationImpersonation role assigned?

Identitätswechsel/identity exchange Role= what is meant?




Exchange Server Version 2019

ESET Product Version: 9.0.10009.0

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  • ESET Staff

Hi, Microsoft has recently discontinued the Basic Authentication for EWS by default (https://learn.microsoft.com/en-us/exchange/clients-and-mobile-in-exchange-online/deprecation-of-basic-authentication-exchange-online).

We are working on a solution which we plan to include in the next major EMSX release.

In the meantime it is still possible to re-enable the Basic Authentication in tenant settings: https://learn.microsoft.com/en-us/azure/active-directory/fundamentals/concept-fundamentals-security-defaults

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