John recalled that when he initially set up the system, he had created a complex password for the NVR, which included a mix of uppercase and lowercase letters, numbers, and special characters. He had also advised Mike to keep a record of the password, but apparently, Mike had misplaced it.
admin , 123456 , 888888 , or simply password .
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