Microsoft Azure, Office 365 users hit by multi-factor authentication issue By November 19, 2018wordpress Unable to sign into your Microsoft Office 365, Azure Active Directory and other services? A global Multi-Factor Authentication (MFA) issue may be the reason. Read More » SOURCE: ZDNet This site is not involved in the creation of this post. Related posts: Microsoft Azure, Office 365 users hit by multi-factor authentication issue Office 365, Azure users are locked out after a global multi-factor authentication outage Microsoft Office gets smarter Microsoft relents on Office support cutoff dates No tags for this post.