Multi-factor authentication device not recognized
4.5
The system doesn't offer your usual MFA methods, even though the device is registered.
Symptoms
- Missing "Send SMS" option
- App not showing prompt
- Generic error
Possible Causes
- Account de-synced
- Security update
- Browser cookie cleared
Step-by-Step Fix
1
Sign In on Trusted PC
Use a device that is already logged in to re-verify the mobile device.
2
Update MFA App
Ensure your Authenticator app is on the latest version.
3
Check Account Security
Log in via web and ensure the device is still listed in "Trusted Devices".
When to See a Technician
Sometimes a major OS update changes the "Hardware ID" of your phone, making it look like a new device.
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