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Multi-Factor Authentication - App Password

If your System Administrator turns on Multi-Factor Authentication (MFA) for your organisation, the user’s login will require an extra verification code. It makes your system more secure and generally we do recommend you do so.

But it also becomes more complex to manage.

Many of our clients are running console apps (i.e. Outlook client) and integration code that needs to access CRM externally. These programs stop working when Multi-Factor Authentication is enabled.

To manage this, we need to create an app password to give the app special permission to access the office 365 account without a verification code.

Microsoft have provided a way to manage this starting with this link:

This takes you to the Additional Security Verification page.

On the page, you can set up:

  • Your verification option
  • App Passwords

To create or remove the App password, a user needs to select the “App Password” tab.

To create a app password:

  1. Click the create button.
  2. Give the password a meaningful name. Then the system will create a random password.

  1. Copy the password and save it. The password is not accessible again. So you must keep it in a safe place.


After you’ve got the app password, you can use it in your code by replacing your original password. Be aware, if you try to use this account via UI login page, you still need your original password.

To talk to us about this and other ways to support your Dynamics or PowerApps environments, click the link below:

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