If you are using a 4K camera or a high-MP camera, SmartPSS sometimes fails to render the playback window size correctly.
Sometimes, the camera records on Sub-stream 1 (low quality) but Smart PSS is trying to open Main Stream (high quality). If the Main Stream doesn't exist for that time period, the NetSDK returns an error. failed to start playback netsdk returns error smart pss best
The Fix:
If you’re comfortable with logs, SmartPSS sometimes hides the numeric code. To find it: If you are using a 4K camera or
| Code | Meaning | Fix | |------|---------|-----| | 0x06 | Timeout | Network issue or device busy | | 0x0B | No permission | Adjust user rights | | 0x19 | No recording found | Check schedule/HDD | | 0x1F | Firmware mismatch | Update NVR firmware | | Code | Meaning | Fix | |------|---------|-----|
If you have tried the individual fixes above and still see "Failed to start playback. Netsdk returns error," follow this master reset procedure: