Thursday, 14 May 2020

Exchange Online: How to enable your tenant for modern authentication

The Office 365 tenant/resource host (Exchange Online, SharePoint Online and Skype for Business Online) will need to be configured to accept a modern authentication connection. Here is the per service state of modern authentication by default :
  • Exchange Online - ON by default.
  • SharePoint Online - ON by default.
  • Skype for Business Online - ON by default.

Steps

This article explains how to enable your Exchange Online tenant to support modern authentication.
  1. Connect to Exchange Online using remote PowerShell: refer here ventej.blogspot.com
  2. Run the following command:
    • Set-OrganizationConfig -OAuth2ClientProfileEnabled:$true
  3. Verify that the change was successful by running the following:    
    • Get-OrganizationConfig | ft name, *OAuth*

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