Ok first a bit of a background
Computer A: Running Windows 2008 SR2 64bit, and has a DNS server.
Computer B: Windows 7 Ultimate 64bit, running Virtual Box with 2 instances.
Both Windows 2008 SR2 Servers, one running a DNS server.
Computer A and Computer B are both in the same network, and Computer A is
also looking at the DNS server on Computer B instance for more names. The
DNS names are private names, and only resolve internally to the network with
Computer A then requesting out to the internet if can't resolve locally.
Now here is the problem, this is so random in both frequency and length of
time I have no idea where to begin even looking for a solution. Or even be
able to tell if this is a Virtual Box problem or not. But as Computer B is
the main workstation, I and has enough ram to run both the guest instances I
leave them running. But every so often Computer B can't connect to the guest
by name, or can I ping them by their IP address from Computer B.
But if I Remote Desktop to Computer A, I can not only browse the guests on
Computer B, I can ping them both by name and IP without any issues. When I
reset the network connection adapter for Computer B, this will 98% of the
time fix the problem. Until the next time it occurs.
Now if I grab a laptop and say we call this laptop A, it will have the same
issues as Computer B.
Now what is even stranger is that I have noticed on Computer B that there
are times when Firefox can browse the website on Guest A, but not Guest B,
and there are times when it won't do either, and yet Chrome will have no
problems. But when Chrome does have an issue, then all have issues except
Computer A as it never seems to have any issues.
So by this information this has been a headache to even begin to look in the
right place, but the common fact is that it is VirtualBox with the issue to
some degree. I used to have AVG installed but got rid of it thinking this
was the issue, but to no avail, as with Windows Security Essentials on
Computer B and that wasn't the case either.
Does anyone have any idea on what the problem might be, or even an idea on
where I can begin to look for a solution.
--
Regards,
Andrew Scott
WebSite: http:// <http://www.andyscott.id.au/> www.andyscott.id.au/
Google+: <http://plus.google.com/108193156965451149543>
http://plus.google.com/108193156965451149543
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