EnableMultiFactorAuthentication.ps1

##This is to enable multi factor authentication for a single Office 365 account.

##Note:  This script may be moot at this point since Microsoft
##has gotten on top of things when it comes to two factor Authentication
#Import-PSSession $Session


##With 2FA authentication enabled already.  If you don't have this enabled, use the above section on line 6 and DISABLE the next 3 lines below by putting a # at the beginning of each line.

Import-Module $((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter Microsoft.Exchange.Management.ExoPowershellModule.dll -Recurse ).FullName|?{$_ -notmatch "_none_"}|select -First 1)
$EXOSession = New-ExoPSSession
Import-PSSession $EXOSession

$email = read-Host 'Email address:'

Set-MsolUser -UserPrincipalName $email -StrongAuthenticationRequirements $mfa