Copyright © 2007-2025 SMX Studios
Here is a verified guide to identifying the cause and fixing the error. What Does Error Code 23 Mean? Technically defined as NET_DVR_NOSUPPORT , this error indicates that the device does not support this function
Navigate to or Remote Configuration under your storage server device. Locate your recording schedule template.
In the official Hikvision SDK development manuals, error 23 is designated as .
The software and device firmware languages do not match, causing communication errors. Verified Solutions to Fix Hikvision Error 23 hikvision error code hcnetsdkdll 23 verified
[ERROR] Login failed: error 23 [DEBUG] Sent username: admin [DEBUG] Device response: Authentication failed
If you are completely certain your IP cameras and recording units natively support smart event processing, yet you still receive error 23, the local software database structure is likely misallocated. Hikvision iVMS-4200 error code 23 HCNetSDK.dll(23)
The number inside the brackets—in this case, [23] —is the official error code, which points to a specific problem. According to official Hikvision documentation and developer references, . The full error message in the iVMS-4200 software often reads: "Error Code HCNetSDK.dll[23].(Not supported.)" . Here is a verified guide to identifying the
In Hikvision’s SDK framework:
Here is a breakdown of why this happens and how to resolve it. Why Error 23 Happens
Error 23 = NET_DVR_USER_VERIFY_ERROR . But if you get a different numeric error after calling this, check the official NET_DVR_GetErrorMsg() output. Locate your recording schedule template
The Hikvision error code (often appearing as NET_DVR_NOSUPPORT ) explicitly signifies that the specific function or operation requested is not supported by the hardware or current configuration .
The HcNetSDK.dll 23 error indicates a failure inside Hikvision's SDK when initializing or communicating with devices — commonly caused by mismatched SDK versions, missing dependencies, incorrect calling conventions, or malformed parameters. "Verified" here suggests the error code 23 was reproduced and traced to the SDK layer rather than the device network.
Running event-based searches on basic NAS or non-VCA storage.
If you have multiple users accessing your system, be aware of the maximum concurrent connection limit for your devices. Document and manage user sessions.
Before troubleshooting software, confirm if your device supports the feature you are trying to use.