A quick system restart flushes stuck or ghost connections. If a remote user closes their mobile app improperly, the NVR may keep that connection active for several minutes.
Review who has access to the surveillance feed and audit active connections.
Select your cameras and slightly lower the , Frame Rate (FPS) , or Max. Bitrate .
Understanding why this restriction occurs helps to permanently resolve it. The problem typically stems from three core technical bottlenecks. 1. Hardware Decoding Capabilities
What are you using when the error pops up? (e.g., Hik-Connect app, iVMS-4200 PC software, or a physical monitor connected to the NVR?) What is your NVR model number ?
Find the sync/async icon in the playback toolbar and select asynchronous playback. 4. Check for Firmware Updates
Create custom views that only show essential cameras in playback.
When you hit "Playback," the NVR must:
Go to the Playback window. Look for the stream type toggle (usually a dropdown near the play controls) and switch it from Main Stream to Sub-Stream .
A: This typically indicates you're operating near your device's limits. The error appears when usage spikes above the threshold due to multiple users accessing the system simultaneously or when "ghost" connections accumulate over time.
: Open the device configuration via a web browser or the local menu. Go to Storage/Record > Parameters > Sub-stream . Verify sub-stream recording is active so the mobile app can call on low-bandwidth versions during multi-channel searches. 5. Update Device and Application Firmware
Troubleshooting Hikvision: Maximum Number of Channels Under Playback Reached
The "Maximum number of channels under playback reached" error on Hikvision devices, often seen on Hik-Connect or iVMS-4200, indicates that simultaneous remote connections have exceeded hardware decoding limits or set "Total Links" (often 128). The issue frequently arises from multiple active sessions, VCA overlays, or "ghost" sessions, with solutions including rebooting the NVR, reducing bitrate, and updating firmware to the latest version. For technical support on addressing stream limits, visit Hikvision Support Hik-Connect
If your recorder supports (often called "Fluency First" or "Substream priority" in playback settings):
Looking ahead As reports continue, users and integrators are watching for firmware fixes or clearer documentation from Hikvision. In the meantime, operators should audit playback habits, confirm device limits for their models, and engage vendors for targeted support where necessary.
| NVR Series | Max Recording Channels | Max Playback Channels (New Firmware) | | :--- | :--- | :--- | | | 4–16 | 4 | | Turbo HD (DVR) | 8–16 | 8 | | I-Series (Pro) | 32–64 | 16 | | M-Series (Deep Learning) | 32–64 | 8 (Dual 4K) or 16 (1080p) | | E-Series (Value) | 16 | 4 |
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A quick system restart flushes stuck or ghost connections. If a remote user closes their mobile app improperly, the NVR may keep that connection active for several minutes.
Review who has access to the surveillance feed and audit active connections.
Select your cameras and slightly lower the , Frame Rate (FPS) , or Max. Bitrate .
Understanding why this restriction occurs helps to permanently resolve it. The problem typically stems from three core technical bottlenecks. 1. Hardware Decoding Capabilities
What are you using when the error pops up? (e.g., Hik-Connect app, iVMS-4200 PC software, or a physical monitor connected to the NVR?) What is your NVR model number ? A quick system restart flushes stuck or ghost connections
Find the sync/async icon in the playback toolbar and select asynchronous playback. 4. Check for Firmware Updates
Create custom views that only show essential cameras in playback.
When you hit "Playback," the NVR must:
Go to the Playback window. Look for the stream type toggle (usually a dropdown near the play controls) and switch it from Main Stream to Sub-Stream . Select your cameras and slightly lower the ,
A: This typically indicates you're operating near your device's limits. The error appears when usage spikes above the threshold due to multiple users accessing the system simultaneously or when "ghost" connections accumulate over time.
: Open the device configuration via a web browser or the local menu. Go to Storage/Record > Parameters > Sub-stream . Verify sub-stream recording is active so the mobile app can call on low-bandwidth versions during multi-channel searches. 5. Update Device and Application Firmware
Troubleshooting Hikvision: Maximum Number of Channels Under Playback Reached
The "Maximum number of channels under playback reached" error on Hikvision devices, often seen on Hik-Connect or iVMS-4200, indicates that simultaneous remote connections have exceeded hardware decoding limits or set "Total Links" (often 128). The issue frequently arises from multiple active sessions, VCA overlays, or "ghost" sessions, with solutions including rebooting the NVR, reducing bitrate, and updating firmware to the latest version. For technical support on addressing stream limits, visit Hikvision Support Hik-Connect The problem typically stems from three core technical
If your recorder supports (often called "Fluency First" or "Substream priority" in playback settings):
Looking ahead As reports continue, users and integrators are watching for firmware fixes or clearer documentation from Hikvision. In the meantime, operators should audit playback habits, confirm device limits for their models, and engage vendors for targeted support where necessary.
| NVR Series | Max Recording Channels | Max Playback Channels (New Firmware) | | :--- | :--- | :--- | | | 4–16 | 4 | | Turbo HD (DVR) | 8–16 | 8 | | I-Series (Pro) | 32–64 | 16 | | M-Series (Deep Learning) | 32–64 | 8 (Dual 4K) or 16 (1080p) | | E-Series (Value) | 16 | 4 |