Blocking Basic Auth – Personal Thoughts

Sometime a go I wrote on How to Disable Basic auth to make way to Modern Authentication. The procedure is manageable and with a bit of effort, you can achieve it with less or no noise in your Organization.

Either you block Basic Auth via an Azure AD Conditional Access policy or creating an EXO authentication policy and applying it to the users, you must plan it well. Things may go pear shaped if you don’t take everything in to consideration.

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Microsoft is retiring Basic Authentication, because Modern Authentication is here to stay!

Microsoft have announced that they will retire the Basic Authentication method from Office 365 Exchange Online and make Modern Authentication method the standard way of authenticating going forward.
There are continues updates in the M365 Admin Center messages and what admins need to do to prepare for the change.

Companies now have to prepare for the change and Microsoft is sending continuous updates on what we need to do and how to identify how many clients are using Basic Auth to connect Outlook/ Exchange Server.

I have written a quick set of guidelines that will help you to see all the important points in on go.
This will include the steps to enable Modern Authentication and block the Basic Authentication.

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