Dahua Password Reset By Serial Number May 2026

Once you successfully reset your password, do these three things immediately:

Dahua provides two official paths for reset-by-serial:

Dahua password reset by serial number is a legacy method primarily used for older firmware versions or when modern QR-code recovery is unavailable

. This process involves sending the device's unique serial number and system date to Dahua support to receive a temporary "Super Password" or security code. Dahua Wiki 1. Locating the Serial Number and System Date

Before initiating a reset, you must accurately identify two pieces of information from the local monitor (OSD): Dahua Wiki Serial Number (S/N):

Found on the physical sticker under the recorder or on the login screen of newer firmware. System Date:

The exact date currently displayed on the DVR/NVR's live view or login screen. This is critical because the reset code is often algorithmically tied to the system's current time. 2. Requesting the Reset Code

Once you have the details, you must contact Dahua technical support. Support Email: Send an email to a regional support address (e.g., Support.USA@Dahuatech.com support@dahuasecurity.com Required Information:

Include the full serial number, the current system date, and the model number. Turnaround: dahua password reset by serial number

Support typically provides a temporary code within 24–48 hours. Dahua Wiki 3. Applying the Reset Code

After receiving the code from support, follow these steps locally on the device: Open Login: Right-click on the live view and select Enter Code:

Input the provided code into the password field for the "admin" account and click Navigate to Settings: Modify Password: Select the "admin" user and choose Modify Password

. Use the support-provided code as the "Old Password" and then set your new permanent password. Dahua Wiki Alternative Modern Methods

If the serial number method is not supported by your firmware (versions 4.0 and above), Dahua suggests: QR Code Reset: DMSS Mobile App

to scan a QR code on the login screen, which sends a reset code to your pre-registered recovery email. XML Export: Dahua ConfigTool

to export an XML file, which is then emailed to support for a corresponding "result" file to unlock the device. Physical Reset Button:

To reset a Dahua password using the device's serial number , you typically need to obtain a temporary security code by emailing Dahua support or using the DMSS mobile app to scan a QR code that contains the serial number. Method 1: Emailing Dahua Support (Manual Code) Once you successfully reset your password, do these

This method is common for older recorders where you do not have a recovery email pre-set. Gather Device Details: serial number (found on the physical sticker or login screen) and the exact date currently displayed on the recorder's screen. Contact Support: Email these details to your regional support, such as Support.USA@Dahuatech.com support@dahuasecurity.com Enter Security Code:

Once you receive a one-time code, enter it into the password field on the login screen. Set New Password: Immediately go to Main Menu > Account

and change the admin password using the security code as your "old password".

Method 2: Using DMSS App and QR Code (Dynamic Serial Number)

Modern Dahua devices generate a QR code that encodes the serial number and device info for quick resetting. Access Reset Interface: On the login screen, click Forgot Password Generate QR Code: Select the reset mode. A barcode will appear on the screen. Scan with DMSS: on your phone. Navigate to Me > Tool Manager > Password Resetting Scan the QR code on the monitor. Receive Code: A security code will be sent to the recovery email associated with the device. Finalize Reset:

Enter that code into the recorder's prompt to be allowed to set a new password. Method 3: Dahua Config Tool (XML Export) FAQ/Password Reset IPC ConfigTool - DahuaWiki

To reset a Dahua password using the device's serial number (S/N), you can generally follow one of two paths: contacting technical support for a reset code or using a "Super Password" generator app. Method 1: Contacting Dahua Support (Official) This is the most reliable method for most users.

Locate the Serial Number: Find the S/N on the physical sticker at the back of your NVR, DVR, or camera. You can also find it on the login screen of newer firmware or within the web interface under System Info. Locating the Serial Number and System Date Before

Note the Device Date: On the login screen, note the current date displayed by the device.

Email Support: Send an email to Dahua Support with your device's full serial number and the date shown on the screen.

Enter the Code: Once you receive a temporary code from support, enter it in the password field on your device.

Set a New Password: After gaining access, go to the Account or User settings immediately to create a permanent new password. Method 2: CCTV Super Password Generator

Some third-party tools can generate a temporary unlock code based solely on your serial number.

Download a Generator: There are mobile and desktop apps like the CCTV Super Password generator.

Input Details: Enter your serial number exactly as it appears (case-sensitive) and select your model series.

Try Candidates: The tool will provide several candidate passwords. Try these one by one on your device with the username admin. Alternative: QR Code Reset (Faster if Linked)

If your device is already connected to the internet and linked to an email, the QR code method is typically faster than waiting for support.

Watch how to use the DMSS mobile app to scan a QR code and receive a reset code instantly via email: