You’re requesting a time with no recording (holiday, overwritten, or disk error).
Fix:
If you have physically checked the cables and the drive spins but playback still fails for older recordings, the index file is corrupt. Failed To Start Playback Netsdk Returns Error Smart Pss
This error appears in Smart PSS when you try to play back recorded video from a Dahua NVR, DVR, or IP camera, but the network SDK (Software Development Kit) fails to initiate the stream.
“Netsdk Returns Error” is a generic code that means the device responded with a failure reason — often related to network, storage, or permissions. You’re requesting a time with no recording (holiday,
You logged in, but your user account can only see live view, not recorded video.
Fix: You logged in, but your user account can
If the video files exist but the NVR has lost track of where they are (corrupted database), playback fails.
SmartPSS defaults to TCP. Sometimes switching to UDP improves streaming performance, or vice versa.