Hik-Connect portal error message "No device is found. Make sure that the serial No. is correct and the device is connected properly."

The thread title is what you will see at Hikvision's Hik-Connect portal if it is unable to find your Hikvision device online.

Briefly, when you enable Platform Access on a Hikvision device (typically an NVR, but you can just add a camera) then the device 'calls home' to the Hik-Connect portal and identifies itself, and provides information that the portal needs to know to route you to the device when you attempt to access it from the Hik-Connect App on your phone or tablet.

Here's a list...

Hik-Connect portal error message "No device is found. Make sure that the serial No. is correct and the device is connected properly."