Close Smart PSS completely (ensure it is not running in your Windows system tray).
The "NETSDK returns error" in SmartPSS is a persistent yet manageable issue. For DST-related errors, waiting until midnight or force-closing via Task Manager often resolves the problem instantly. For version-specific bugs, updating dhnetsdk.dll or rolling back to a stable older version is the most effective solution. Failed To Start Playback Netsdk Returns Error Smart Pss
A discrepancy between the time on your computer and the time on your NVR/DVR. Close Smart PSS completely (ensure it is not
: Some SDK errors are caused by missing Windows dependencies. Repair or reinstall the Visual C++ 2015 Redistributable Still seeing the error? Make sure your antivirus or firewall For version-specific bugs, updating dhnetsdk
If you are on the same local network as the NVR, delete the P2P device entry in Smart PSS.