problem in password ip camera hikvsion

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...