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[SOLVED] Office365 MFA enabled cannot setup outlook


Open PowerShell


$UserCredential = Get-Credential

You should now get a popup asking for your Global Admin user and password

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

Import-PSSession $Session -DisableNameChecking

Turn on modern authentication - type the following: Set-OrganizationConfig -OAuth2ClientProfileEnabled $true

Turn off modern authentication - type the following: Set-OrganizationConfig -OAuth2ClientProfileEnabled $false

Check the status (on/off) of modern authentication
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If you still have the problem add the following Registry keys on the client machine to suppress WAM and revert Outlook back to ADAL:

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity]
"DisableADALatopWAMOverride"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity]
"DisableAADWAM"=dword:00000001

After this, all should work as normal.


As for Microsoft - you are a bunch of idiots and don't understand how to secure a product.

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