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To configure Exchange Online for Modern Authentication

1. Run Azure AD PowerShell module as an administrator.

2. Run the following cmdlet to create a credential object:

   Code Block
   language powershell theme DJango
   $credential = Get-Credential

   
   

3. In the Credentials window that appears, type the username and password for an Office 365 global administrator and click OK.
   
   

4. Once you have connected, run the following cmdlet to create a remote PowerShell session with Exchange Online:

   Code Block
   language powershell
   $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Cred -Authentication Basic -AllowRedirection

   
   

5. Run the following cmdlet to set the session with Exchange Online:

   Code Block
   language powershell
   Import-PSSession $Session

   
   

6. Run the following cmdlet to enable Modern Authentication for Exchange Online:

   Code Block
   language powershell
   Set-OrganizationConfig -OAuth2ClientProfileEnabled:$true

   
   

7. Run the following cmdlet to check that Modern Authentication for Exchange Online has been enabled:

   Code Block
   language powershell
   Get-OrganizationConfig | ft name, *OAuth*

   
   

8. Run the following cmdlet to close the session:

   Code Block
   language powershell
   Remove-PSSession $Session