Open SADP Tool and search for local devices like Cameras, DVR, NVR
Select the particulate device form the list and click on Forget Password
You will see on of the following three options Security Code Encrypted File Encrypted File or Key
For (Option1) Security Code,
Copy the Start Time and Device Serial No and send them to HIKVISION technical support team
HIKVISION technical support team will Send you the security codes.
Input security code and click Confirm. The password will be reset to 12345
For (Option2)Encrypted File
Export the XML file and send it to Hikvision Support team
Hikvision team will send you the encrypted password reset file
Choose the path of the file, enter new password and click Confirm.
For (Option3)Encrypted File or Key
Follow Option 1 or 2
Hikvision NVR/DVR Password Reset by local menu
In your NCR/DVR Local GUI, double click the left bottom interface to popup password reset option
Send the Device Serial Number and Device Startup time to Hikvision Support team (Refer Option1).
Support team will send you back the reset Security code.
Enter the security code and click OK to Reset the password