Thanks for the responses guys! Just to be clear, where are you suggesting I do this in @fincherdavid?

@TP-Link Hi - yeah, the Deco m5 (all of them) remain solid green. It's only this one device that loses Internet connection when the work vpn is switched on via the desktop app. And ONLY that devices...

Hi guys I have installed a Deco M5 3x units with the main unit connected directly to my Virgin Media (UK ISP) router/modem via Ethernet. All seems to work OK, except that whenever I am connected to...