If you are recording to an SD card, a corrupt card can cause this error. Live view will work fine because it bypasses the storage, but playback will fail.

Before fixing the problem, you need to understand the architecture. Dahua’s NetSDK (Network Software Development Kit) is the backbone of communication between your computer software (Smart PSS) and the NVR (Network Video Recorder) or IP camera.

: If the hard drive or SD card has file system errors, the SDK may fail to fetch the file "exclusively." Reformatting the storage media (if data loss is acceptable) often resolves immediate playback failures. 5. Check Time/Sync Conflicts

Fully close SmartPSS. Use Task Manager (Ctrl+Shift+Esc) to find any lingering SmartPSS processes, right-click them, and select End Task before relaunching.

By following these best practices, you can minimize the risk of encountering the "Failed to start playback: NetSDK returns error - Smart PSS exclusive" error and ensure smooth operation of your surveillance system.

Elias started to turn around, but the screen flashed one last time. "Playback Started."

Lack of administrative privileges can prevent the software from initializing the necessary network drivers for playback.