ip camera password rest

Hi, My camera serial is : dh-ipc-hfw1200sp-0360b I need to reset its password (I forget it) . I tried using config tool but It not worth and there is no reset button at the camera anywhere . Is there any another way to reset its password .

Hello Friend's I make factory defaults On my NVR "ds-7616ni-k2/16p" old PW is "admin123456@" when devices is starting I make new "PW" on "NVR" is > Fox***" now I have 14 Ip camera model"DS-2CD1043G0-I" is working fine but still 2 IP camera I think he problem in the IP or PW I not have Switch...