Pro Tip: After reboot, immediately disable "Auto Logout Lock" in the NVR settings to prevent this from happening daily.
Ensure the checkboxes for both and Log Search are enabled for all desired camera channels.
He gripped the mouse, the plastic slick with sweat, and double-clicked the playback file.
Troubleshooting "Failed to start playback. NETSDK returns error" in Smart PSS Pro Tip: After reboot, immediately disable "Auto Logout
Scroll down to "Background processes" and ensure no Dahua or Amcrest SDK instances remain active. Relaunch the program to clear the active connection loop. 2. Elevate User Account Rights
If you can view live feeds but cannot query archives, your user profile permissions may be restricted.
This is the most common fix for older or unstable versions of SmartPSS (notably version 2.002.0000007.0), where the native DLL file fails to handle playback properly. completely. Troubleshooting "Failed to start playback
Copy the new dhnetsdk.dll file into this folder, selecting "Replace the file in the destination" when prompted.
: If playback fails only on specific cameras, the recorder’s SD card or HDD might be corrupted. Users have reported that reformatting the storage medium can solve the issue immediately.
The system may flag the connection as "exclusive" if your active user profile lacks playback rights on the channels you want to review. NETSDK error on playback. - Amcrest Forum restricted user permissions
Log into your NVR/DVR using a web browser or its local interface with an .
a working dhnetsdk.dll file (many users have found success with updated files provided by support channels, such as this example from Cornick Support).
The error in Dahua Smart PSS typically occurs due to corrupted network SDK files ( dhnetsdk.dll ), firmware mismatches, restricted user permissions, or stuck background software processes . While live view video feeds generally continue to stream normally, the system fails exclusively when attempting to request and load recorded video archives from the DVR or NVR.
Footage is visible on the NVR/Web interface but not in SmartPSS.