Every Network Video Recorder (NVR), Digital Video Recorder (DVR), and client computer has a fixed amount of processing power. Decoding high-definition video streams in real-time requires significant CPU and graphics performance. When you hit this limit, the system stops you from opening more video feeds to preserve system stability. The issue stems from three main bottlenecks: 1. NVR/DVR Decoding Limitations
When you close the Hik-Connect app, your connection to the NVR may not immediately terminate. Without Universal Plug and Play (UPnP) properly configured, these "ghost connections" can remain open, consuming remote connection slots. The NVR continues to count these stale sessions, eventually reaching the limit and rejecting new playback requests. This is why restarting the NVR often temporarily resolves the issue: it clears all active connections, including the stale ones. Enabling UPnP on your router and NVR helps ensure connections are properly closed, preventing this accumulation. hikvision maximum number of channels under playback reached
Restart the software. This offloads the video rendering from your CPU to your Nvidia, AMD, or Intel graphics processor, allowing more channels to open. Summary of Best Practices Every Network Video Recorder (NVR), Digital Video Recorder
The local processor inside your recorder can only decode a set number of channels at specific resolutions (e.g., 4 channels at 4K, or 8 channels at 1080p). The issue stems from three main bottlenecks: 1
Default settings in iVMS-4200 restrict simultaneous playback to prevent crashing your PC.