Enable Or Disable Modern Authentication For Office 365 Tenent

Check if Office365 Exchange Online is enabled for Modern Authentication:

  • Once connected to Office365, run the following command using PowerShell while connected to the Office365 tenant to check if enabled for Modern Authentication:
     Get-OrganizationConfig | ft name, *OAuth*

Note: If “false” is returned, the Exchange online server is not configured for Modern Authentication. A response of “true” indicates Modern Authentication is enabled.

How to enable Modern Authentication for Office365 Exchange Online:

  • Once connected to Office365 via PowerShell, an Administrator will need to enter the following command;
     Set-OrganizationConfig -OAuth2ClientProfileEnabled:$true

How to disable Modern Authentication for Office365 Exchange Online:

  • Once connected to Office 365 via PowerShell, an Administrator will need to enter the following command;
     Set-OrganizationConfig -OAuth2ClientProfileEnabled:$false     

Good Luck

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