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When computer is awakened from Sleep network connection is lost, although it does show as connected. I have traced the issue to Virtual Box (VirtualBox 4.2.16.86992) as this is the only Network Adapter found reported when using the windows troubleshooter. When I uninstall Virtual Box the problem is resolved. Have tried different Network settings in Virtual Box to no avail but suspect this is a Windows 8.1 issue. Would welcome any suggestions, though.

Win 8.1 is not supported at this time as still being pre-release. Use this topic instead

noteirak wrote:Win 8.1 is not supported at this time as still being pre-release. Use this topic instead

it is the same problem on windows server 2012 - is this supported ?

grettings

It is indeed, as long as it's not the R2 version.
What is the exact problem you see? Is it a cosmetic one or you are actually having networking issues?

VirtualBox blocking the networkadapter - get no ip.

In the moment - i click deinstall virtualbox, all be fine. i can cancel the deinstall and all is be fine - until the next reboot....

Baxter wrote:VirtualBox blocking the networkadapter - get no ip.

In the moment - i click deinstall virtualbox, all be fine. i can cancel the deinstall and all is be fine - until the next reboot....

If you have an actual bug to report for a supported host OS + VirtualBox version combination, please do so using the public bugtracker: https://www.virtualbox.org/wiki/Bugtracker

Otherwise expect nothing to change. Especially if you try to attach something bug-report-like to a topic which has a different OS in the subject.