Instructions on the How-To pages are different from what I see in the 365 Admin Center. By setting up MFA, you add an extra layer of security to your Microsoft 365 account sign-in. Some documentation states MFA is not available for Business Standard licenses. When I look at the preliminaries for setting up MFA certain controls are greyed out in the 365 Admin Center. Set up multi-factor authentication for phones in Microsoft Business Premium. We have some installations of Microsoft Office 2013 Pro Plus which are installed locally, and a couple of installations of Office 2003 where we install just Access 2003 for an ancient creaking database. We use Microsoft 365 Outlook and Teams, and some folks use Office 365. Staff AD accounts that use Microsoft 365 are located within an OU in AD that synchronises with Microsoft 365. It adds two or more identity-checking steps to user logins by use of secure authentication tools.

We have a Microsoft 365 Business Standard license for each member of staff (approx. Multi-factor authentication (MFA) is an access security product used to verify a users identity at login. We have on-premise domain controllers and server that host the domain, security groups, users, data.

I have read through several documents and to be honest I am completely confused over what is required, if it can be done and the method for doing it. I would like to ask for some help, please, regarding setting up MFA for our Microsoft 365 tenant.

Mfa microsoft setup