Dahua Password Reset By Serial Number -
To reset a Dahua password using a serial number (S/N), you generally need to obtain a temporary security code from Dahua support or use an authorized password generator. Method 1: Dahua Support (Official)
Record the S/N: Take a photo of the serial number sticker and keep it in a safe place or a password manager. dahua password reset by serial number
and change the admin password using the security code as your "old password". To reset a Dahua password using a serial
| Symptom | Solution |
| :--- | :--- |
| ConfigTool says "Invalid Serial Number" | Triple-check the SN. Do not use letter O if it might be number 0. |
| Support rejects your request | You must prove ownership. Take a photo of the serial sticker next to a handwritten date. |
| Reset code doesn't work | The code is time-sensitive (valid for only 60 seconds). Generate a new export file and request a new code. |
| Device is offline in ConfigTool | Disable Windows Firewall and ensure the device has a static IP on the same subnet (e.g., 192.168.1.x). | Open a web browser and type the IP
C. ConfigTool (Official Software)
If the device is on the same network as a PC, you can use Dahua's official ConfigTool software.
in the Account menu to ensure you can reset the password locally next time without needing to contact support. Dahua support office? How to Reset Your Password on a Dahua NVR - CCTV Guru
- Open a web browser and type the IP address of your Dahua NVR or camera.
- The login screen will appear. Enter a wrong password three times.
- A "Forgot Password?" hyperlink will appear below the login button.
- Click it. The device will display its Serial Number.
- Dahua will prompt you to scan a QR code (using a smartphone) or enter the SN to request a reset file.
- You must scan the QR code with the Dahua DMSS app (for mobile) or a generic QR reader. The QR code contains a token that, combined with your email, generates a reset request to Dahua’s cloud server.
- Check your email for the reset file. Upload it back into the web browser.
settings and use the code as the "Old Password" to create your new one. Dahua Wiki Alternative: QR Code Reset (Newer Models)
