Work — Hikvision Maximum Number Of Channels Under Playback Reached

| Device Type / Series | Max Simultaneous Playback Channels | Common Scenario | |----------------------|-------------------------------------|----------------| | Entry-level DVR (e.g., 7200 series) | 4 or 8 | Small office, retail store | | Mid-range NVR (e.g., 76xxNI-I series) | 16 | Warehouse, school campus | | High-performance NVR (e.g., 96xxNI-I series) | 32 or 64 | Large enterprise, casino | | iVMS-4200 Software (PC) | Limited by your GPU/CPU & license; often 16-36 | Multi-location businesses | | Hik-Connect Mobile App | Typically 16 | Remote users |

Even if the NVR supports 4 playback streams, opening a 5th triggers the error. The device rejects the new request without queuing. hikvision maximum number of channels under playback reached

// Before opening playback, check available channels: LONG lChanNum = NET_DVR_GetPlayBackAbility(USER_ID, &abilityStruct); if (abilityStruct.byPlayBackChanNum >= currentPlaybackCount + 1) NET_DVR_PlayBackByTime(...); else // Queue or reject gracefully | Device Type / Series | Max Simultaneous

: Lowering the playback quality (resolution and frame rate) can help if you're struggling with high-bandwidth demands. 76xxNI-I series) | 16 | Warehouse