The error is a common issue encountered by security administrators using Dahua or Amcrest surveillance software. It explicitly points to a software development kit (SDK) stream conflict or a software crash within the Smart Professional Surveillance System (SmartPSS) environment. This comprehensive guide provides step-by-step solutions to resolve the error and restore your playback capability. Understanding the Error Root Causes
: Right-click the SmartPSS icon and select Run as Administrator to bypass potential permission blocks.
The "exclusive" modifier often points to an Access Control List (ACL) problem where the device tells the SDK that the active session does not have permission to invoke a specific playback handle.
Right-click your Smart PSS desktop shortcut and select Run as Administrator . Try testing the playback timeline. The error is a common issue encountered by
Here is how to fix this issue, ordered from the easiest solution to the most thorough.
Before changing software parameters, ensure that a hung process on your local computer is not locking up the network port assigned to SmartPSS. Press to open the Windows Task Manager . Navigate to the Processes tab.
This bug is highly predictable and is triggered by a change in time, typically the shift into . When your system's clock jumps forward by an hour, SmartPSS creates a temporary error in its timeline logic. Users have reported that the error appears exclusively when they try to start a playback clip after 2:00 AM on the day the DST change occurs. Understanding the Error Root Causes : Right-click the
The recorder has reached its maximum concurrent playback or streaming connections.
The error occurs in Dahua SmartPSS and Amcrest Surveillance Pro software when the client application fails to pull recorded video streams from the security recorder. This technical failure means your live view might work seamlessly, but retrieving recorded data triggers a network SDK breakdown.
Access your device through a web browser to check for firmware updates. Try testing the playback timeline
The Windows operating system blocks the dhnetsdk.dll script layer from building localized playback cache data if the application lacks administrative read and write paths.
In Smart PSS, go to the Devices menu. Select your recorder, delete it, restart the software, and manually add the device back using its IP address or P2P serial number.
Check if any smartphones or tablets running DMSS are streaming playback from the same camera.