To resolve the conflicting or being different Mac address

 ■ You might meet the following error when importing an images on VirtualBox.

 ■ How to solve the troubleshooting on CentOs

1, Check the net

2, Edit /etc/udev/rules.d/70-persistent-net.rules

    $ vim /etc/udev/rules.d/70-persistent-net.rules

3, Check to work as a restarting the network.

■ There is the following error when loading a image exported in Windows 10.

■ You should do the following process to solve the problem.

1, Open command prompt as Administrator.

2, Run bcdedit to check hypervisor status:

3, hypervisorlaunchtype should be disabled.

    $ bcdedit /set hypervisorlaunchtype off

Troubleshooting - it doesn't work after Installing Virtualbox in Mint 18.1 Linux

■ Have to make the following file.

sudo touch /etc/libuser.conf

VirtualBox - Have to do the following after cloning machine

■ Make a new MAC address

■ Make a new UUID for network

$ uuidgen eth0

■ If there is the error as below.

■ Remove the 70-persistent-net.rules file.

$ rm /etc/udev/rules.d/70-persistent-net.rules

■ Check the configure file of VirtualBox

vim /home/njoonk/.config/VirtualBox/VirtualBox.xml