@KY89 While my earlier issue of Zoom being blocked was solved by unblocking "Pay-to-surf" content (apparently TREND Micro categorises Zoom as such..???!!), I experience the same issues you mentioned...

@TP-Link yup tried that as well but no go TP-Link wrote @Win8Wee Hi, Since the latest firmware 1.5.1 supported whitelist under Malicious Content Filters of Antivirus, have you tried to add this...

@tim.mac119 Same issue on my m5. Drove me nuts for days trying to isolate it. Initially, I was not able to connect to any zoom.us domains but after switching to 5Ghz band, now I can access to zoom.us...