Better __link__: Hikvision Error Code Hcnetsdkdll 23
90% of Error 23 cases are caused by the software using the wrong protocol.
| Code | Meaning | Key difference | |------|---------|----------------| | 1 | NET_DVR_NO_ERROR | No error | | 7 | NET_DVR_NETWORK_FAIL_CONNECT | Can’t reach device at all | | | NET_DVR_DEVICE_NOT_REGISTERED | Had a session, but it’s gone | | 131 | NET_DVR_NET_RECV_DATA_TIMEOUT | Connection exists but device not responding |
If you are trying to use , make sure it’s not a fixed-lens camera . 2. Adjust iVMS-4200 Settings hikvision error code hcnetsdkdll 23 better
// Then login NET_DVR_DEVICEINFO_V30 devInfo; int userId = NET_DVR_Login_V30( (char*)ip, 8000, (char*)user, (char*)password, &devInfo );
If userId < 0 , call NET_DVR_GetLastError() – if it’s 23, apply steps above. 90% of Error 23 cases are caused by
Go to Image > Video & Audio and lower the resolution, frame rate, or bitrate 1.2.1.
In Hikvision’s SDK (HCNetSDK.dll),
Switch your live view or default playback preview settings to utilize the to verify if a lower bandwidth requirement clears the communication error. 4. Update Device and Client Firmware
Pointing to explicit IP addressing mismatches across the NVR backend. int userId = NET_DVR_Login_V30( (char*)ip