Reset By Serial Number: Dahua Password
To reset a Dahua password using the serial number, you must obtain a temporary security code from Dahua support. This process typically applies to recorders (NVR/DVR) and cameras where other recovery options (like email or QR codes) are unavailable. Password Reset Procedure via Serial Number
Default Credentials: For older models, try the default username admin with the password admin or leave the password field blank. dahua password reset by serial number
Note the Date: Look at the current date and time displayed on your DVR’s monitor. It must be the date currently set on the device, even if it’s wrong. To reset a Dahua password using the serial
Additional Information:
This erases 100% of settings, including the password. The Old Days (Pre-2019): An open-source tool called
Method 2: Web Browser Reset (Via NVR Local Menu)
If you cannot use ConfigTool (e.g., you are on a Mac), you can use the web interface, but you will still need the serial number.
- The Old Days (Pre-2019): An open-source tool called passwordtool existed for very old firmware. It no longer works for current hardware.
- The Present: There are no public "serial number to password" calculators for modern Dahua firmware. The algorithm uses RSA 2048-bit encryption that has never been cracked.
Step B — Generate a reset code (if device shows a reset code)