Trying to perform "Smart Searches" or Video Content Analysis (VCA) on storage devices like NAS drives that do not support these specialized metadata functions.
Forcing high-resolution main streams over bandwidth-limited channels causes the SDK communication to fail.
Don't worry; we've got you covered! Here are some verified troubleshooting methods to help you resolve the Hikvision error code HCNetsdkdll 23:
Expand and right-click your primary network card. Select Properties . Go to the Advanced tab. hikvision error code hcnetsdkdll 23 verified
Switch the recording template back from to Continuous or All-Day Template . Save the configuration and check if the error clears.
Locate your recording schedule templates. If they are set to , switch the configuration back to Continuous or All-Day Video .
: You are trying to set a configuration (like resolution, bitrate, or schedule) that the specific camera model does not support. [1] Incorrect Struct Size : If you are developing software using the SDK, the Trying to perform "Smart Searches" or Video Content
Log into your device's backend web portal or navigate to the NVR menu directly. Go to →right arrow System →right arrow User Management .
While Code 23 is usually functional, ensure your user account has the necessary "Remote Configuration" permissions, as restricted access can sometimes cause the system to return a generic "not supported" response.
Dealing with "Hikvision Error Code HCNetSDK.dll 23": Causes and Quick Fixes If you're using or another Hikvision management tool and see the message "HCNetSDK.dll[23]" , it typically means Function Not Supported Here are some verified troubleshooting methods to help
Are you seeing this on ? How many cameras are you trying to view at the same time? What resolution (e.g., 2MP, 4K) are the cameras set to?
However, when combined with , it often indicates one of the following:
can trigger Error 23 if your storage device (like a NAS) does not support Video Content Analysis. Change the recording schedule back to "Continuous"
HCNETSDK.dll Error 23 corresponds to the constant NET_DVR_PASSWORD_ERROR or NET_DVR_PASSWORD_OR_USERNAME_ERROR in Hikvision’s SDK documentation. It indicates that the SDK login request failed because the provided credentials (username and/or password) were rejected by the target device.