With the introduction of Multi-Factor Authentication (MFA), changes may need to be applied within the registry to enable modern authentication methods within the outlook desktop app. Once these settings have been updated, a user with MFA enforced on their account will be able to sign in to the Outlook client.


Please confirm your symptoms with those listed below and ensure you meet the requirements before proceeding with the solution below.


Symptoms:

  • The Outlook desktop app is not signed-in.
  • Your device is connected to the internet, but the Outlook desktop app is not connected to the mailserver
  • The Outlook desktop app is unable to send and receive messages.
  • The Outlook desktop app repeatedly prompts for you to enter your credentials, even if your credentials were entered correctly.



Requirements:

  • Windows 10/11 BYOD Laptop
  • Multi-Factor Authentcaion (MFA) is enforced on your Microsoft account (i.e. this applies to all JSRACS staff).



Solution:

  1. Search for "Windows Powershell" in the taskbar and open the program as an administrator.

    NOTE: To run an application as an administrator either,
    1. Select the "Run as Administrator" option from the sub-meu and select "Yes" on the popup.
    2. Right-click on the application and select the "Run as Administrator" option and select "Yes" on the popup.



  2. Copy and pate the following commands into the powershell terminal. Press Enter.

    Set-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Name "DisableAADWAM" -Value 00000001
Set-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Name "DisableADALatopWAMOverride" -Value 00000001
Set-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Name "EnableADAL" -Value 00000001
New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Name "DisableAADWAM" -PropertyType "DWORD" -Value 00000001
New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Name "DisableADALatopWAMOverride" -PropertyType "DWORD" -Value 00000001
New-ItemProperty -Path "HKCU:\Software\Microsoft\Office\16.0\Common\Identity" -Name "EnableADAL" -PropertyType "DWORD" -Value 00000001
sleep 4

    NOTE: The powershell terminal may return an error message after certain lines. These messages can be ignored as they are simply notifying that the particular command has resulted in no overall change.


  3. Restart your Outlook desktop app. When prompted, enter your Mircrosoft username and password and complete sign in using your MFA device. Confirm you are no longer being prompted to enter your credentials, and you are able to send and receive messages throughthe Outlookdesktop app.


If you are still encountering errors with regards to signing in to the Outlook desktop app following the completion of the steps above, please contact the IT helpdesk for further troubleshooting.