To add a new virtual Ethernet adapter, follow these steps.

1. Select the virtual machine to which you want to add the adapter and be sure it is powered off.
2. Open the virtual machine settings editor (VM > Settings).
3. Click Add.
4. The Add Hardware Wizard starts. Select Network Adapter. Click Next.
5. Select the network type you want to use — Bridged, NAT or Host-only.
6. Click Finish. The new adapter is added.
7. Click OK to save your configuration and close the virtual machine settings editor.

To change the configuration of an existing virtual network adapter, follow these steps.

1. Open the virtual machine settings editor (VM > Settings).
2. Select the adapter you want to modify.
3. Select the network type you want to use — Bridged, NAT or Host-only.
4. Click OK to save your changes and close the virtual machine settings editor.
5. Be sure the guest operating system is configured to use an appropriate IP address on the new network. If the guest is using DHCP, release and renew the lease. If the IP address is set statically, be sure the guest has an address on the correct virtual network.