These methods are for legitimate password recovery on equipment you own . If the NVR is leased, borrowed, or belongs to a company, contact the owner or your security installer first.
If you didn't set a recovery email or are offline, you can perform a hard reset using the physical button inside the NVR. How To Password Reset Dahua NVR dahua nvr password reset
This is the most common method for modern firmware. It requires a recovery email to have been linked to the account during setup. These methods are for legitimate password recovery on
John had been working as a security consultant for several years. He had installed numerous CCTV systems for various clients, including a large warehouse complex that used a Dahua NVR (Network Video Recorder) to manage their surveillance footage. How To Password Reset Dahua NVR This is
I can provide more detailed steps for whichever path you choose.