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Marvin Oco's avatar
Marvin Oco
Iron Contributor
Mar 26, 2021
Solved

SFA versus MFA in 365 sign in logs

all of our users have enforced MFA

 

Issue is that when you look at the sign-in logs there are SFA entries

 

all sign in should be MFA

 

what causes the SFA logs?

 

any known fix?

 

tnx

 

  • Have you disabled Legacy authentication across all users/workloads? PowerShell scripts, devices sending email, third-party aps - all will default to using legacy auth/single factor.

1 Reply

  • Have you disabled Legacy authentication across all users/workloads? PowerShell scripts, devices sending email, third-party aps - all will default to using legacy auth/single factor.

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