Hcnetsdk.dll 9 Hikvision Error -

In the Hikvision SDK documentation, error code 9 is explicitly defined as NET_DVR_ALREADY_INIT . The SDK is designed to be initialized exactly once per process execution. Triggering the initialization function a second time causes the DLL to reject the command and throw this error. The most common scenarios that trigger this include:

Temporarily disable your firewall/antivirus and try the live view again. hcnetsdk.dll 9 hikvision error

If two devices share an IP, the network packet won't know where to go, causing a timeout. In the Hikvision SDK documentation, error code 9