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I am facing the issue when I boot Guest Windows 7 inside VirtualBox and in a couple of minutes internet connection on host becomes very unstable, losing pings, then just remote addresses stop responding completely. Once I stop VirtualBox instance, everything turns back fine again.
I clearly see this issue as connected to VirtualBox, because I can turn on/off VirtualBox multiple times at once and it happens all the way I described.
I tried NAT, Host-only, Bridged, switched all firewalls off. What I found is guest OS can't ping my WiFi router that is 192.168.1.1, but pings the host OS that is 192.168.1.123.
How can I detect a clue why it can happen?
Sergei Basharov
Posted 2013-09-26T13:36:31.800
Reputation: 633
What version of VirtualBox? – Ramhound – 2013-09-26T14:05:58.117
4.2.18. Seems to be the latest as Update manager doesn't find newer versions. – Sergei Basharov – 2013-09-26T14:20:21.517
What IP address/mask/gateway are being assigned to the Win7 guest? – Ƭᴇcʜιᴇ007 – 2013-09-26T14:50:43.513