Ubuntu guest in VirtualBox loses network access after Windows host hibernate

Problem

I have a Windows host system which is running an Ubuntu guest inside VirtualBox. While the Ubuntu guest is running, I hibernate the Windows host. Later, after the Windows host is resumed, I find that network connectivity is lost in the Ubuntu guest. The LAN network interface is present and shows as connected. However, no domain name can be resolved or pinged.

Solution

I found that this bug in VirtualBox is reported here. Disconnecting the network interface and connecting back did not work. But, turning off networking and turning it back on worked!

Tried with: Ubuntu 14.04, VirtualBox 4.3.20 and Windows 7 Professional 64-bit

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One thought on “Ubuntu guest in VirtualBox loses network access after Windows host hibernate

  1. I have a same problem, but i dont understand how to repair it.

    But, turning off networking and turning it back on worked!
    I would be cool if you post screenshot of this

    Like

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