Ah yes, for the servers I had not changed any versions for yet I changed the camera settings to disable the audio (we don't use it anyway) and it seems to be working now. Thanks for the lead. Audio wasn't even a setting I had checked since I had assumed it was disabled anyway. Now I'm wishing for a ...

I am also having this problem, just finding out that 30+ of my Hikvision cameras are not recording anymore, sine maybe Jan 22. At least one of the models is a DS-2CD2185FWD-I. I have other setups that are very similar, (OS, BI version, hardware, camera, & network) but have not had these issues. ...