Every Hikvision device has a "Decoding Capability" which dictates how many channels it can play back simultaneously. The error appears when you exceed this limit.
A: For standalone cameras, formatting the SD card might temporarily resolve the issue, but it will erase all stored footage. This is more of a workaround than a fix and should only be used as a last resort.
: Modern versions of iVMS-4200 now more reliably close idle stream connections that previously stayed "stuck" and occupied the link quota. ✅ Quick Solutions
October 2023 | Category: NVR/DVR Firmware & Configuration
: The video quality is too high for the recorder's chip to play back multiple channels at once.