Troubleshooting the HCNetsdk.dll 9 Hikvision Error: A Comprehensive Guide
The standard Hikvision SDK is 32-bit only.
If the error occurs during playback, try switching from H.265 to H.264 in the camera's "Video & Audio" settings to check for codec issues. Switch Streams: In the iVMS-4200 "Main View," try manually selecting the Sub Stream
The "hcnetsdk.dll" file is a dynamic link library associated with Hikvision's SDK (Software Development Kit), which is used for developing software that interacts with Hikvision's IP cameras, NVRs (Network Video Recorders), and other surveillance devices. The error might occur in applications that rely on this SDK for device communication.
Fix: Install Visual C++ 2008 Redistributable (x86) – even on 64-bit systems, the SDK is 32-bit.
NET_DVR_Login_V40 / NET_DVR_Login_V30
2. Check Hikvision Ports The SDK requires specific ports to be open. By default, these are:
Educación
Servicios sociales
Sostenibilidad
Empleo y formación