Normal Playback (Do not use Smart Search on non-VCA devices) Dedicated Hikvision NVR/DVR for event indexing Minimum Access Authorization Administrator or Super User with Log/Playback rights
Firmware acts as the device's operating system. An outdated version can cause protocol conflicts.
Outdated device API failing to understand new software commands.
, you’ve likely run into a "function not supported" conflict. This specific error occurs when the software tries to execute a command—like PTZ control or a specific recording search—that the connected hardware or current account simply cannot perform. hikvision error code hcnetsdkdll 23 verified
Always use the administrator account when first adding devices to any management software to avoid permission-related errors.
: Attempting to change video resolution or frame rates on a channel that does not support manual adjustment of those specific settings. Verified Solutions and Fixes 1. Verify Hardware Compatibility
As verified by users, if your monitoring computer shares an IP address with the NVR, communication will fail. Open Command Prompt on your PC and type ipconfig . Normal Playback (Do not use Smart Search on
In , go to System Configuration (Gear Icon) > Viewing . Locate the Hardware Decoding or GPU Decoding option. Switch it from "Disable" to Enable (or Auto). Restart the iVMS-4200 software. 5. Adjust Network Card Buffer Settings
In iVMS-4200, go to > Remote Configuration > Video & Audio .
If the error occurs on a single camera, the video feed settings are too heavy for the network or local hardware. , you’ve likely run into a "function not
If the error occurs during live view or recording, the resolution or bitrate might be too high for the device to process. In Remote Configuration > Image > Video & Audio and try lowering the resolution or switching to a Sub Stream to see if the error clears ( Enable Dual-VCA for Smart Searches
The HCNetSDK.dll ecosystem maps dozens of network alerts. Recognizing where Error Code 23 stands alongside other common communication faults helps isolate whether your system faces a or a network bottleneck . NAS drive and hikvision camera: Failed to search file
