Account Blocked Due to Suspicious Activity

Overview

This article only applies if you see the Microsoft message: "Your account is blocked due to suspicious activity."  

When trying to log in, you received an error message stating your account is blocked due to suspicious activity.

 

What the Error Looks Like

You see an error message similar to this: 

 

How to Fix This Issue

  1. Go to accounts.fau.edu.
  2. Select "Forgot Your Password".
  3. Complete the password reset process.
  4. Wait 5-10 minutes for Microsoft systems to sync.
  5. Try signing in again.

 

What This Error Means

Microsoft's security system detected unusual or risky log in behavior on your account.

Common triggers include:

  • Repeated failed log in attempts
  • Log in attempts from unusual locations
  • Any sign-in behavior that Microsoft flags as risky

This block is automatically placed by Microsoft — and requires a password reset to clear.

 

Important Notes:

  • Resetting your password is required, even if you know it's correct.
  • This solution only works for this Microsoft error message.

 

When to Contact Support

If the issue continues after resetting your password, please call the OIT Help Desk at (561)297-3999.

Print Article