For most current Dahua DVR models, there is no single default password because the system enforces mandatory password creation during the initial setup. However, if you are working with an older or legacy unit, you can try several common factory-set combinations. Common Default Credentials
If you still own a pre-2019 Dahua DVR running on admin/admin: dahua dvr default password
For the vast majority of Dahua DVRs, NVRs, and IP cameras, the factory credentials are: For most current Dahua DVR models, there is
CMOS Battery Removal: As a last resort, removing the CR2032 coin-cell battery from the motherboard for at least 60 seconds may reset the system clock to factory settings, which can sometimes revert the device to a known default state. Security Risk of Default Passwords (Legacy Devices) If
Dahua DVRs and NVRs traditionally use as both the default username and password. However, the exact credentials vary significantly based on the device's age and firmware version. Common Default Credentials admin / admin does not work, try these widely used factory combinations: Username: admin Password: admin (Most current models). Username: admin Password: 123456 (Common for legacy units pre-2019). Username: 888888 Password: 888888 (High-authority administrator account). Username: 666666 Password: 666666 (Lower-authority user for monitoring and playback). Username: admin Password: 9999@ (Firmware versions v3.1 through v7.x). Username: admin Password: (Leave Blank) (Some OEM variants). Modern Security (Newer Models)
DMSS Mobile App: Open the DMSS app, go to Me > Tool Manager > Device Password Management, and scan the QR code displayed on the DVR's local monitor to receive a reset code via email.
Username: admin / Password: 123456 (Found in some legacy firmware versions)