Install Windows 2012 on VM (VirtualBox) with Network Connections

I am having a problem getting the network connections setup on a VM with Windows 2012. My host machine is a Windows Server 2012. The VM I am using is VirtualBox. My goal is to setup a single VM (Windows 2012 + DC + SQL 2012 + SP 2013) I am trying to get the network connection setup so that I have an "Internal" connection and an "External" connection. Here is what I have done to setup the internal connection:

1. Network attached to: NAT
2. Adapter Type: Intel PRO/1000 MT Server (82545EM)
3. setup internet protocol version (IP Address: 192.168.150.1, Subnet: 255.255.255.0)
4. DNS address 192.168.150.1

Here is what I have done to setup the external connection:

1. Network attached to: Host-only Adapter
2. Adapter Type: Intel PRO/1000 MT Server (82545EM)
3. obtain IP address automatically
4. Use DNS server addresses 127.0.0.1 and alternate address 4.2.2.4

I cannot get an internet connection.