Http Siapportal.imss.gob .mx Biometrico Acceso Web Wfraccesousuario Fix -

The correct URL for the IMSS biometric worker/employer access portal is typically: https://siapportal.imss.gob.mx/biometrico/accesoWeb/wfrAccesoUsuario

| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | USB driver not installed or scanner not detected. | Reinstall the IMSS Biometric Reader software. Try a different USB port (preferably USB 2.0). | | "Huella no coincide con el patrón" | Fingerprint not matching the registered template. | Clean the scanner glass. Wash and dry your hands. Try a different finger (usually index or thumb). | | "Error de ActiveX / Componente no firmado" | Browser blocking the biometric control. | Add *.imss.gob.mx to Trusted Sites in Internet Options. Set security level to "Medium-low". | | "Sesión expirada - wfraccesousuario" | Workflow token timed out. | Close all browser tabs, clear cache (Settings > Privacy > Clear browsing data), and restart the process from Step 2. | | "Certificado no válido" | System date is incorrect or certificate revoked. | Check your computer’s date and time (must be Mexico City time). Update Windows. | The correct URL for the IMSS biometric worker/employer

The primary goal of this system is to enhance security and prevent identity theft or fraud. It is increasingly used for: | | "Huella no coincide con el patrón"

: Under recent Mexican regulations (e.g., Agreement ACDO.AS2.HCT.220725), biometric validation has the same legal effect as a handwritten signature for certain administrative tasks. Try a different finger (usually index or thumb)

and specific digital certificates or private keys generated during their initial biometric registration. 2. Login Process Navigate to the official portal (e.g.,