MFA Authentication Issues - Microsoft Q&A
docs.microsoft.com › answers › questionsMay 19, 2021 · Message: Authentication failed during strong authentication request. Remediation: The user didn't complete the MFA prompt. They may have decided not to authenticate, timed out while doing other work, or has an issue with their authentication setup. So ... yeah, I'm stuck. If I set the users' MFA auth. options manually, they don't work.