Unlock All 8 Network Adapters in VirtualBox | Full Setup Tutorial with pfSense

Need more than 4 network adapters in Oracle VirtualBox? This tutorial shows you exactly how to unlock and configure all 8 network adapters — even the hidden ones — and explains how to use them with virtual machines like pfSense, Linux machines, and more. Whether you're building a home lab, a cybersecurity sandbox, or a virtualized network for education or production, this video guides you step-by-step through the process of: Enabling adapters 5–8 in VirtualBox via command line Verifying all 8 adapters are active Assigning the adapters in pfSense Troubleshooting missing interfaces Command-line tools used: VBoxManage (VirtualBox CLI) Tested on: Oracle VirtualBox 7.1.12 pfSense 2.7.x Kali Linux 2025.2 Windows Batch File Example ------------------------------- @echo off :: Replace 'YourVMNameHere' with the actual name of your VM set VMNAME="YourVMNameHere" :: Enable network adapters 5 through 8 VBoxManage modifyvm %VMNAME% --nic5 nat VBoxManage modifyvm %VMNAME% --nic6 nat VBoxManage modifyvm %VMNAME% --nic7 nat VBoxManage modifyvm %VMNAME% --nic8 nat echo Adapters 5 to 8 are now enabled for %VMNAME%. Linux/macOS Shell Script Version ------------------------------------ #!/bin/bash VMNAME="YourVMNameHere" for i in {5..8}; do VBoxManage modifyvm "$VMNAME" --nic$i nat done echo "Adapters 5–8 enabled for $VMNAME" Oracle Virtual Box VBoxManage Pages ------------------------------------------------------------- https://docs.oracle.com/en/virtualization/virtualbox/6.0/user/vboxmanage-list.html https://docs.oracle.com/en/virtualization/virtualbox/6.0/user/vboxmanage-modifyvm.html #virtualbox #pfSense #HomeLab #LinuxNetworking #TechTutorial #CybersecurityLab #NetworkAdapters #OracleVirtualBox #ITEducation #Virtualization 00:00 Introduction 00:50 The Need for pfSense and Another VM 03:45 Setting Up the New Adapters in Kali 06:11 Marker 11 09:25 Using the VBoxManage Command 10:15 Enabling More Adapters 11:58 Checking Currently Enabled NICs in pfSense VM 13:38 Assigning NIC Numbers 16:09 Creating A Batch File For This Work