Guys I ran into this issue on 3 mini dome's capturing high fps at high bit-rate's - the only solution for me was set the bit-rate to recommended levels suggested by the bandwidth calculator (4096) or record to smb. Please see my thread which details my situation: https://www.ipcamtalk.com/showthread.php/14845-ds-2cd2542fwd-MiniDome-Competition-Snooker-table-install?p=135400&viewfull=1#post135400
