If you are accessing the NVR via Hik-Connect , bandwidth limits or the app's internal limit (sometimes around 128 channels depending on the specific setup, per Reddit users ) might conflict with the local NVR playback limits.
Recording in 4K or 8MP uses significantly more processing power than 1080p. Fewer high-res cameras can be played back at once compared to low-res cameras.
User impact
For massive deployments with 50 or more cameras where multiple users need simultaneous playback, a standard NVR often reaches its limit. HikCentral is a server-based platform that removes the NVR's CPU bottleneck entirely.
: Video recorders feature a fixed processing chip capable of decoding a specific maximum resolution and frame rate simultaneously. Trying to play back multiple high-resolution channels at once overloads this processor. If you are accessing the NVR via Hik-Connect
If you are getting this error on a computer rather than the NVR monitor: Open . Go to Tool -> System Configuration -> Video and Audio .
The blinking cursor on the monitor was the only light in the basement security office. It was 3:00 AM, and Elias, the senior site security technician, was running on cold coffee and frustration. User impact For massive deployments with 50 or
Hikvision NVRs (Network Video Recorders) and DVRs (Digital Video Recorders) are limited by their hardware—specifically, the processor (CPU) and the decoding engine. While an NVR might support 16 cameras for recording , it may only have the capacity to decode and display 4, 8, or 16 channels simultaneously during playback .
Some users reported this error appearing specifically after firmware updates (e.g., version 4.60), suggesting software-side resource management issues. Recommended Solutions Trying to play back multiple high-resolution channels at