Yesterday's problems can be today's problems, too. To wit, a tutorial showing how to resolve a networking bug reintroduced in VirtualBox 7.2 whereby clients do not correctly use DHCP and DNS, covering testing in VirtualBox 7.1 and 7.2, three workarounds with manual IP address assignment, live network type change while guest is running or new NAT network, some other observations, and more. May all your packets reach their destination.