The error message, often seen as "Number of streaming channels exceeded limit" or "Maximum channels under playback reached," is essentially the system's way of saying it has reached its processing limit. In technical terms, it indicates that the device has either hit the maximum number of remote connections or exceeded its decoding capacity.
are you trying to play back at the same time?
If you are seeing the error message "Maximum number of channels under playback reached" on your Hikvision NVR, DVR, or iVMS-4200 software, you have hit a hardware or software streaming limit. This typically happens when you try to view too many camera feeds simultaneously in synchronized playback mode. ⚡ Why This Error Happens
He opened the command prompt and pinged the local server. Latency was low. He opened the device management tab and scanned for online devices. There were twelve cameras listed. Just twelve.
Access the recorder's configuration page via a web browser or local monitor. Go to or Record > Parameters . Locate the Substream or Playback settings.
Access your recorder configuration through a web browser or the local interface. Go to > General or System Configuration .
If the error occurs exclusively on your computer using iVMS-4200, your PC might be failing to decode the video.
If your cameras are recording at a very high resolution (like 5MP or 8MP/4K), the system will crash when trying to playback multiple windows at once.
This message typically appears on a local monitor (VGA/HDMI) or within the iVMS-4200 client software when a user attempts to play back recorded video from more channels simultaneously than the device’s architecture permits. This write-up explores the technical root causes, the hardware/software limitations involved, and practical solutions to mitigate or resolve the issue.
Create custom views that only show essential cameras in playback.
If a mobile app or client software closes improperly, the NVR may keep that session open, falsely counting it against your maximum stream limit.
If you are getting this error on a computer rather than the NVR monitor: Open . Go to Tool -> System Configuration -> Video and Audio .
Possible causes
