Overview
Microsoft MFA provides multiple options for authenticating your log in credentials, including the Microsoft Authenticator App, voice calls and text messages to your cell phone, voice calls to a landline office phone, and the use of physical hardware tokens (also called FOBs). It is recommended that users have at least two authentication options registered.
Instructions
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Go to myaccount.microsoft.com and log in using your Purdue Career Account information. If you have not yet set up your account, see: How to set up Microsoft MFA
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Select Security Info and then “”+Add sign-method.
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Select a sign-in method to add.

Follow the instructions for adding an additional method.
NOTE: If you do not own a smartphone, or plan to be in a part of the world where you will not have Internet access and are therefore unable to use Microsoft Authenticator, a physical token may be utilized. Learn more by reading "How do I obtain a physical token (FOB) for MFA?" in the Purdue IT Knowledge Base.
4. You have now created an additional authentication method.
Note: If you would like to change the default method for authentication for the VPN, follow these steps:
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At the top of Security Info page, you should see a line of text that reads ‘Sign-in method when most advisable is unavailable: "

- Click the “Change” hyperlink and select the preferred authentication method .