: Some Dahua DVRs have a small reset button on the motherboard or rear panel. You would need to:
Historically, Dahua shipped its security systems with standardized login credentials. Depending on the manufacture date and firmware version of your Dahua DVR, the factory default credentials will usually match one of the combinations below. Legacy Default Credentials dahua dvr default password
This method is primarily for older devices. Newer models with the random default password system are generally not supported via email reset and instead require the DMSS app method described above. : Some Dahua DVRs have a small reset
If the above credentials do not work, it means a custom password was set. You can use these methods to regain access: dahua dvr default password