[Problem] VirtualBox: Failed to create the host network interface

Error Message:

Failed to create the host network interface.
Result Code: E_FAIL (0x80004005)

Steps:

File > Preferences  (Ctrl + G) > Network > Host-only Networks > Add host-only networks (Ins)

VB Version:

c:\Program Files\Oracle\VirtualBox>VBoxManage.exe -v
4.3.4r91027

Further Investigation:

C:\Program Files\Oracle\VirtualBox>VBoxManage.exe list hostonlyifs

C:\Program Files\Oracle\VirtualBox>

C:\Program Files\Oracle\VirtualBox>VBoxManage hostonlyif create
0%…
Progress state: E_FAIL
VBoxManage.exe: error: Failed to create the host-only adapter
VBoxManage.exe: error: Code E_FAIL (0x80004005) – Unspecified error (extended info not available)
VBoxManage.exe: error: Context: “int __cdecl handleCreate(struct HandlerArg *,int,int *)” at line 66 of file VBoxManageH
ostonly.cpp

C:\Program Files\Oracle\VirtualBox>

Check Log

file:///C:/Users/FirewallEngineer/.VirtualBox/VirtualBox.xml

<DHCPServer networkName=”HostInterfaceNetworking-VirtualBox Host-Only Ethernet Adapter” IPAddress=”192.168.56.100″ networkMask=”255.255.255.0″ lowerIP=”192.168.56.101″ upperIP=”192.168.56.254″ enabled=”1″/>

Discussion:

https://forums.virtualbox.org/viewtopic.php?f=6&t=59294

https://www.virtualbox.org/ticket/12182#comment:15