Today one of my DS-9664NI-I8. having problems connect to the camera. I have a separate PoE switch connected to port1 and port 2 connected to internet. whenever I deleted the camera while the nvr connected to the internet. it got a error "the user is locked". I deleted the camera and do it again. same thing happen. disconnected the internet. and try again. it's work. I also disabled the illegal login in the camera setting. now all cameras is online. if I reboot the cameras. It will show message again. all cameras are OEM hikvision 4mp turret with firmware 3.3.9 to 4.40. I can login the caemras with the laptop connected to the poe. Thanks for ready my poor English.
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