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[SOLVED] Office365 MFA enabled cannot setup outlook










This has now been updated and access from your admin page on Office365

go to Portal.office.com

in the search box at top search for Modern Authentication

Turn on Modern Authentication 




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


Decide whether you want the following on or off to fix the issue

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:
Get-OrganizationConfig | Format-Table Name,OAuth* -Auto
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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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