If you happen to lost the password of your Dahua DVR or can’t remember it, you can contact the Dahua technical support team or you can use the software to generate a temporary password which allows you to access the DVR instantly.
If you firstly use the Dahua DVR, but don’t know the default account info,
please try the following default accounts:
If the above stated accounts don’t work, you can perform time reset by removing the battery on the motherboard of the DVR, steps are:
Take out the button battery from DVR
Connects it with a monitor, then turn it on
After removing the battery, the date and time will reset to factory default year 2000. Then use the account – admin, password – 668648 or 000000000000 to login.