If your WiFi router says Failed to obtain IP address from DHCP Server, restart your router and see if the issue appears again. If yes, you can try the solutions provided below: The issue you are ...
Two servers cannot have the same IP address. When you are using VPN you are going over the Internet which means the IP address you try to connect to will have to be a valid, (not 10.x.x.x or 192.168.x ...