The "maximum number of channels under playback reached" error is a common roadblock in Hikvision systems, typically occurring when the device's hardware or network resources are stretched beyond their pre-set limits. This often happens because the NVR or DVR has a finite number of simultaneous remote connections or decoding resources it can handle at once. The Core Conflict: Resource Scarcity
Multiple Client Connections: You are viewing playback on the local HDMI monitor (using 8 channels), while a remote user via iVMS-4200 is also playing back 8 channels. Total = 16, hitting the decoder limit. hikvision maximum number of channels under playback reached
Main Menu → Playback – select fewer cameras (max 4 or 8 depending on model).Hikvision is a leading manufacturer of video surveillance products, including DVR (Digital Video Recorder) and NVR (Network Video Recorder) systems. These systems allow users to record, monitor, and playback video feeds from multiple cameras. The capability to playback multiple channels simultaneously is a common requirement for monitoring and investigation purposes. The "maximum number of channels under playback reached"
The "Maximum Number of Channels Under Playback Reached" error on Hikvision devices occurs when an NVR/DVR hits its remote connection limit, often caused by simultaneous streaming or active "ghost" connections. Immediate fixes include rebooting the device, closing concurrent sessions on Hik-Connect, or reducing stream bitrates. For troubleshooting steps, visit the Hikvision Support Portal Press the mouse right‑button → Close All → confirm
Use NET_DVR_GetLastError() – if it returns 23 (device busy) or 110 (resource limit), it’s a channel limit error.
Several factors contribute to this error:
Upgrade Firmware: Installing the latest firmware from the Hikvision Support Portal can resolve bugs related to connection management and stream limits.