Both excessively wet and overly dry fingers can cause authentication problems. For sweaty or moist fingers, simply wipe the finger dry before placing it on the sensor. For extremely dry fingers, blowing warm air onto the fingertip from your mouth can temporarily add enough moisture for successful scanning.
Here is the story of how he solved it, following the most effective sequence of steps for any ZKTeco authentication issue. 1. The "Ghost in the Machine": Quick Restarts
When a user is enrolled multiple times or old data was corrupted during a transfer, the device gets confused. zkteco authentication failure solution best
ZKTeco systems rely on biometric data, such as fingerprints, facial recognition, or RFID cards, to authenticate users. Despite their widespread adoption and reliability, authentication failures can occur due to:
Comprehensive Troubleshooting Guide for ZKTeco Authentication Failure Both excessively wet and overly dry fingers can
Check the Ethernet cable connection or Wi-Fi signal strength at the terminal.
If you recently added or updated a user in the software but they face authentication failures at the door, the data hasn't transferred. Open your ZKTeco software platform. Navigate to > Device . Here is the story of how he solved
Connect the device to your PC and use the ZKTeco management software (e.g., ZKAccess 3.5/7.0 or ZKTime 5.0/8.0). You can "Clear Administrator" by pushing the user data to the device.