What does IVMS 4200 error code 0 typically indicate in Hikvision devices?

IVMS 4200 error code 0 generally signifies a network connectivity issue between the IVMS 4200 software and the Hikvision device. It often means the software cannot reach the device, even though the device itself might be online. This can be due to firewall restrictions, incorrect IP addresses, network configuration problems, or device offline status.