On newer new Dell PC's (XPS 13 here) it seems SmartByte has been replaced with "Killer Control Center." Toggling off the "Advanced Stream Detect" switch under Settings tab in Killer Control Center fixes the 809 error when connecting to the VPN. ... View more

On newer new Dell PC's (XPS 13 here) it seems SmartByte has been replaced with "Killer Control Center." I just spent over an hour troubleshooting and trying to connect. The second I flipped the "Advanced Stream Detect" switch under Settings tab in Killer Control Center I was able to connect. I hate Dell and the amount of bloat they've started adding back in to new PCs. ... View more