Failed To Start Playback Netsdk Returns Error Smart Pss Exclusive Jun 2026

: The error can occur if the user account lacks the specific "Playback" or "Search" rights for those camera channels.

Look for any active entries named SmartPSS or Smart Professional Surveillance System . Right-click the process and select . Relaunch the application and test your timeline playback. 2. Update the dhnetsdk.dll File

Why this works: Logging out manually forces the NVR to release the exclusive playback mutex. : The error can occur if the user

: If the error appeared following a time change, ensure both the NVR/DVR and the PC have synchronized time and active DST settings.

If you have multiple guards using Smart PSS simultaneously, the "Exclusive" error means your user group lacks permissions. Relaunch the application and test your timeline playback

Navigate to the system menu and choose Accounts / User .

Begin by restarting your security camera system, including the NVR and any connected cameras. This simple step can often resolve the issue by refreshing the system's resources and configuration. : If the error appeared following a time

If the "exclusive" error is paired with a lack of access, your user account might not have the correct permissions. Log into SmartPSS with an . Go to the Accounts/User menu. Edit the user profile in question.

To prevent this error from occurring in the future:

The user account logged into SmartPSS does not have sufficient permissions to play back footage.