Persistent issues often point to the network environment or the core HCNetSDK.dll file.
If you have confirmed that you don't know the password, you have two main options:
If you are managing Hikvision IP cameras, NVRs, or DVRs using the iVMS-4200 client software, you may have encountered the frustrating . This error typically manifests as "Playback Failed" or "Real-time Playback Failed," often accompanied by a message stating that the network is disconnected or the device is busy. hikvision error code hcnetsdkdll 23 verified
In iVMS-4200, right-click the live view and force it to use the Main Stream instead of the Sub-stream.
NET_DVR_USER_LOGIN_INFO loginInfo = 0; NET_DVR_DEVICEINFO_V40 devInfo = 0; Persistent issues often point to the network environment
Always ensure you are running the latest version of the Hikvision iVMS-4200 CMS Client to maintain compatibility.
Occasionally, "Not Supported" can be a vague mask for a permission issue. Ensure you are logged in with an admin account In iVMS-4200, right-click the live view and force
In some configurations, Error 23 mimics a "not authorized" state where the current user level (Operator vs. Admin) isn't allowed to perform the requested task. Log in using the account to see if the error persists. If it works for Admin, go to Remote Configuration > System > User Management
If you encounter this error while configuring storage schedules or searching playback files on a NAS drive or PC-NVR storage server:
Verify the hardware specification sheet to confirm the device actually supports the feature you are enabling.