|Does it have any logs that would report an error? Could it be an IP lease time issue? Could it be trying to protect your system with a firewall feature? Do the computers show why it was dropped in logs?|
Is it wireless? Any other people in the area causing it? Microwave ovens or other transmissions?
Did you do any tests?
I read it wrong and answer it wrong too. So get off my case you peanut.