The "Maximum number of channels under playback reached" error in Hikvision systems arises when NVR/DVR units exceed their maximum simultaneous remote streaming, bandwidth, or channel limits. Effective solutions include rebooting the recorder to clear hung sessions, updating device firmware to version 4.60+, and reducing stream quality to "Fluent" mode to lower resource usage. For more troubleshooting details, read the guide at Hikvision Support Portal Hikvision Support Portal .

If you are seeing this for the first time, don’t panic. Your footage isn't corrupt, and your hard drive isn't broken. This is actually a notification. Here is what changed, why it happens, and how to fix it.