Enter this code into the "Security Code" field on your device's login screen to create a new password. Method 2: Using the XML File (ConfigTool)
If you are unable to generate a code or do not receive an email, contact your local Dahua authorized dealer with your device’s serial number and proof of purchase for further assistance.
For very old Dahua devices (firmware before 2017) that no longer respond to ConfigTool, you can use a serial-to-USB adapter (TTL) to access the Linux boot console. This is purely for engineers. dahua password reset by serial number
If the "Dahua password reset by serial number" software approach fails because the camera is offline, on a different subnet, or
Once verified, the system will prompt you to set a new admin password immediately. Important Security Tips Enter this code into the "Security Code" field
The following methods use the serial number (S/N) and date to regain access: Dahua Technical Support
If the cloud server fails (due to regional restrictions or discontinued support for older devices), remember that offline XML export/import method still works with Dahua’s technical support team. This is purely for engineers
If you own a Dahua IP camera, NVR (Network Video Recorder), or DVR, you have likely heard the ominous advice: "Just hit the factory reset button." While effective, a physical reset means losing every single configuration—network settings, motion detection zones, and recording schedules. There is a better way.
Before clicking buttons, it helps to understand why this method works. Dahua devices generate a unique "reset token" or "encrypted key" based on the device’s serial number and the current timestamp.
Open your web browser and go to the device’s IP address. You will see the login screen. Step 2: Click the "Forgot Password?" or "Reset Password" link below the login button. Step 3: The device will display a dialog box showing the Serial Number (pre-filled) and a Security Code or Random Code . Step 4: Choose the option "Send Reset Email" or "Cloud Reset" . Step 5: Check the email inbox associated with the device. You will receive a link or a reset code from support@dahuasecurity.com . Step 6: Enter that code into the device’s web interface. You will be immediately prompted to create a new administrator password.