Hi @Anonymous ,
Multi-factor authentication (MFA) is an authentication method in which a computer user is granted access only after successfully presenting two or more pieces of evidence (or factors) to an authentication mechanism: knowledge (something the user and only the user knows), possession (something the user and only the user has), and inherence (something the user and only the user is).
A classic example of using multi-factor authentication (MFA) is a debit card. Not only do you need the physical card, but you also have to enter a personal identification number (PIN) to use it. A debit card is a basic example of MFA, but MFA should also be used in situations that involve relationships between third-parties and organizations. For both, MFA is great to implement since it is a means of controlling access to a network and keeping sensitive data safe. See more: https://www.securelink.com/blog/multi-factor-authentication-is-multi-faceted/.
Currently, I can't found any Microsoft official document mentioned about Multi-factor authentication (MFA).
You may refer to the link: https://community.powerbi.com/t5/Community-Blog/Why-is-my-Power-BI-dataflow-refresh-failing/ba-p/623941. Maybe you can contact to author to get better support.
If you still have this issue for Power BI, you'd better create a support ticket in Power BI Support , Scroll down and click "CREATE SUPPORT TICKET", to get further help.
Best Regards,
Amy
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