Great questions. Here is a quick reference table for those scenarios:
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Ensure the phone’s time/date settings are set to Automatic. TOTP codes are time-sensitive; even a one-minute drift will cause a failure.
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A Super Admin can go to that technician’s profile and click Reconfigure Authenticator app. This kills the old link and generates a new QR code.
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Best Practice: Always have at least two Super Admins with MFA enabled on different devices. This prevents a single point of failure from locking you out.
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Important Note on Session Security:
Hexnode will automatically force a logout if someone tries to log into the same account from two different browsers or devices at the same time. We also recommend setting up a Logout Automatically timer under the technician’s profile for added security!