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 ...

OK, so I have a subnet (192.168.11.0) that currently has all servers and clients on it. It's running out of addresses. So, I create a new subnet (192.168.12.0) and change my DHCP server (Fortigate ...