The "Failed to start playback. NETSDK returns error" in SmartPSS typically indicates a mismatch in system time settings corrupted software components permission issues Top Fixes for NETSDK Playback Errors Synchronize Time & DST Settings
C:\Program Files\Smart Professional Surveillance System\SmartPSS failed to start playback netsdk returns error smart pss best
: If live view works but playback fails with a NETSDK error, the SD card or Hard Drive may have a file system error. The "Failed to start playback
If the basic troubleshooting steps above do not resolve the issue, you may need to perform more advanced troubleshooting: failed to start playback netsdk returns error smart pss best
If the quick fixes did not resolve the issue, the problem is likely how the software communicates with the camera system.