Hcnetsdk.dll 9 Hikvision Error Updated Jun 2026

Try switching the camera's encoding to H.264 in the remote configuration settings to test stability.

NET_DVR_USER_LOGIN_INFO contains a field byProtoType . If you set it to an unsupported value (e.g., 0 instead of 1 for HTTP, or vice versa), the SDK cannot negotiate the connection. hcnetsdk.dll 9 hikvision error

Sometimes the software caches old login credentials or device parameters that no longer apply. Try switching the camera's encoding to H

How to Solve Live View Error on iVMS-4200 - FAQ - Hikvision Global 0 instead of 1 for HTTP