: If live view works but playback fails with a NETSDK error, the issue may be a corrupted SD card or HDD. Formatting the storage through the device's menu can fix this immediately. Check Windows Media Features
and ensure the "Monitor" and "Playback" boxes are checked for the relevant cameras. Dahua Wiki Summary Checklist Corrupt SDK dhnetsdk.dll in installation folder Network Lag Use a wired connection and try "Sub Stream" playback Security Block Add SmartPSS to Firewall/Antivirus exclusions Permission Enable "Playback" rights in recorder Account settings
: Older versions of SmartPSS (specifically version 2.002.0000007.0) have known bugs in the dhnetsdk.dll file that prevent playback.
file in your Windows Firewall or antivirus (e.g., ESET, Norton). Check Device Status