Dahua Password Reset By Serial Number May 2026

This is the most common working method for generic installations without email.

Tools needed:

Official process (if you have support contract):

Support generates a reset key using their internal tool + current UTC date.

You enter the reset key into the device’s “Reset Password” prompt.

Unofficial but widely used process (advanced users): dahua password reset by serial number

The tool computes the correct reset code.

Enter reset code into device and set new password.

Warning: Unofficial tools may be malware. Use at your own risk, preferably offline and on a disposable computer.

There are three primary ways to use the serial number for a password reset:

The serial number (S/N) is a unique alphanumeric identifier for each Dahua device. It is tied to the device’s internal security chip and firmware. When you request a password reset, Dahua’s servers or support tools generate a temporary reset code or security code that is cryptographically linked to that specific serial number and the device’s current timestamp. This is the most common working method for

Key point: Without the correct serial number, you cannot generate a valid reset key for newer Dahua devices (post-2018 firmware).

Once you regain access, immediately:

This article focuses primarily on the Serial Number method, which works for almost all Dahua IP cameras, Dahua NVRs, and XVRs. Official process (if you have support contract):

This example uses Dahua ConfigTool (official free utility) and the built-in “reset by serial” function (available in newer firmware).

You have two paths now:

Enter reset code in ConfigTool → Clear password → Set a new strong password.

Note: We do not endorse paying for this, but it is an option if the free route fails.