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Powershell script for determining which applications are using "basic" authentication in an M365-hybrid infrastructure

Srbh_TheComputerGuy 101 Reputation points
2021-02-01T06:07:55.047+00:00

We are planning to move away from Basic authentication and settle for "modern" authentication.

Is there a way or a script that can help us with determining which applications are using basic authentication.

Exchange | Hybrid management
Exchange | Hybrid management

The administration of a hybrid deployment that connects on-premises Exchange Server with Exchange Online, enabling seamless integration and centralized control.

Answer accepted by question author

Vasil Michev 127K Reputation points MVP Volunteer Moderator
2021-02-01T08:05:13.627+00:00

There are extensive blog posts that cover the process of "discovery" on this, I'd strongly recommend you review them. Here's a sample one from Steve: https://practical365.com/exchange-online/switching-off-legacy-authentication-for-exchange-online/
Also make sure to review all the EHLO blog entries on the topic.

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