Think of it like dialing a phone number: If you forget the area code (invalid parameter), the call fails. Similarly, the SDK function expects very specific data structures—if you supply a NULL pointer, a wrong buffer size, a corrupt IP address structure, or an incorrect data type, the function refuses to execute and returns error 9.
#define NET_DVR_PASSWORD_ERROR 9
This error rarely appears out of nowhere. It is usually triggered by one of the following scenarios:
Ensure the device and the viewing computer are on the same subnet.
Hcnetsdk.dll 9 Hikvision | Error !!top!!
Think of it like dialing a phone number: If you forget the area code (invalid parameter), the call fails. Similarly, the SDK function expects very specific data structures—if you supply a NULL pointer, a wrong buffer size, a corrupt IP address structure, or an incorrect data type, the function refuses to execute and returns error 9.
#define NET_DVR_PASSWORD_ERROR 9
This error rarely appears out of nowhere. It is usually triggered by one of the following scenarios: hcnetsdk.dll 9 hikvision error