When running a virtual machine with a network adapter you can:
Note: If the guest OS is started with the network adapter disabled, you should shut down the guest OS first, then enable the network adapter in the Configuration Editor (select the Enabled check box in the Network Adapter Options tab) and restart the guest OS.
How to Connect/Disconnect a Network Adapter
To connect or disconnect network adapter, do the following:
Note. You may also connect/disconnect a network adapter using context menu of the network adapter device on the status bar.
How to Switch Between Adapters
To switch a network adapter of the virtual machine between bridged adapters:
To learn this point by mouse to the network adapter icon on the status bar. The
Mode
line shows the type of networking: bridged ethernet or host-only; the Name
line shows the name of the network adapter to which the virtual machine is connected.
For this right-click network adapter icon on the status bar to display the context menu. Click the name of the desired adapter in the context menu.
Note: You may also switch between adapters using commands in the Devices->Network menu.