Hikvision Error Code — Hcnetsdk.dll 23

For installers: Always use substream for live viewing on workstations and reserve mainstream for recording only. For end-users: Disable IPv6 on the camera and drop your PC's MTU to 1400. You will never see Error 23 again.

This content is designed for a tech support blog, knowledge base, or software documentation site. If you manage security systems, you’ve likely encountered the dreaded cryptic error message: "HCNETSDK.DLL Error Code 23." hikvision error code hcnetsdk.dll 23

When the SDK stops shouting about the network and starts streaming silently, you know you've won. Have a different error code? Search our SDK error library for codes 1 (success) through 127 (unknown host). For installers: Always use substream for live viewing