Based on various user reports and Hikvision support resources, the following are some possible causes of the HCNetSDK.dll error code 23:

: 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

Some older Hikvision NVRs have a limit of 3-5 concurrent SDK connections. If you have multiple iVMS clients or third-party software connected:

Troubleshooting Guide: Hikvision Error Code HCNetSDK.dll [23]

Hikvision Error Code Hcnetsdkdll 23 Verified __top__ Jun 2026

Based on various user reports and Hikvision support resources, the following are some possible causes of the HCNetSDK.dll error code 23:

: 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 hikvision error code hcnetsdkdll 23 verified

Some older Hikvision NVRs have a limit of 3-5 concurrent SDK connections. If you have multiple iVMS clients or third-party software connected: Based on various user reports and Hikvision support

Troubleshooting Guide: Hikvision Error Code HCNetSDK.dll [23] hikvision error code hcnetsdkdll 23 verified