Failed To Start Playback Netsdk Returns Error Smart Pss Exclusive ((new))

Migrate to Smart PSS Lite or DSS Express . These modern clients handle NetSDK errors gracefully and allow you to force-clear locks from the client interface without rebooting the NVR.

To prevent this error from occurring in the future: Migrate to Smart PSS Lite or DSS Express

If the user account used to log into SmartPSS lacks dedicated "Playback" rights for specific camera channels, the SDK drops the request. Migrate to Smart PSS Lite or DSS Express

Playback streams require significantly more bandwidth than live streams, especially when synchronized across multiple channels. Migrate to Smart PSS Lite or DSS Express

Change the selection from to Main Stream (or vice versa).