Using Ubuntu 12.04 as a VirtualBox host, I've successfully used Bridged Networking with Windows XP guests (because NAT has a bug that causes slow printing).
Now, I have a Windows 7 guest. It gets issued an ip when using Bridged Networking, but "No Internet Access". This same guest can access the internet fine when using NAT, yet I need bridged-networking to circumvent the slow printing issue.
How can I have internet access using Bridged Networking for a Windows 7 guest?
Best Answer
If the bridged connection worked with XP on the same host, I only see three possible source (but they might be more):
First check the device manager to see if all the devices are well installed.
You can try to have a two network interfaces (you can configure that in Manager), one with the NAT and one with the bridged connection, and see whether you have two networks up in the guest machine and whether both of them have been able to acquire IP addresses. Try changing the network card.
Try checking if your network doesn't have restrictions on the MAC addresses. If so you can change the MAC address via VirtualBox Manager.