In the Hikvision SDK, error code (formally NET_DVR_NOSUPPORT ) signifies that the "Device does not support this function" .
Manually drop down the resolution, maximum bitrate, or frame rate (FPS).
: The error typically surfaces when a user attempts to execute a smart search or change recording templates to "Event" on a storage server (like the iVMS-4200 PC-NVR) that lacks the necessary processing hardware. Primary Causes of Error Code 23
Here’s a helpful content piece on the , aimed at security system installers, IT support staff, and end users troubleshooting this issue. hikvision error code hcnetsdkdll 23 verified
The iVMS-4200 PC-NVR (Storage Server) is a software-based recorder and lacks the dedicated processing power for complex Video Content Analysis found in standalone recorders.
When the software restricts you from saving resolution profiles inside iVMS-4200, bypass the client completely and configuration parameters directly on the hardware:
This error typically appears when you try to perform a function or apply a setting that the connected device or storage medium does not have the capability to execute. Common Causes In the Hikvision SDK, error code (formally NET_DVR_NOSUPPORT
Confirm the camera model actually supports the feature you are trying to use (e.g., check the datasheet for PTZ or specific alarm inputs).
Applying a firmware update can often add support for commands used by newer versions of iVMS-4200.
In the Hikvision SDK, the NET_DVR_GetLastError function translates Error Code 23 to , which means "Device does not support this function" . Essentially, the software client has made a request (e.g., to play back a smart event), but the connected camera, NVR, or DVR has responded that it cannot perform the requested action. Primary Causes of Error Code 23 Here’s a
What of Hikvision recorder or drive are you using?
Are you seeing this error specifically during , playback , or while changing a specific setting in the menu? NAS drive and hikvision camera: Failed to search file
When you encounter this error, the full message you'll typically see is: .