Repeatedly losing connection to Epoch server

[Swordplay]

I know someone who is repeatedly losing connection to an epoch server, specifically what will happen is after a few minutes of being in game, it will show "losing connection" and do that for a few times and then will show "no message received".  The desync number will go very high (Usually over 5000) before he actually loses connection.  He doesn't have any issues on any other servers, and has tried rebooting his router and computer multiple times.  the server is not running firewall rules that would block his connection.  No other players from nearby areas have reported any issues with connectivity.

he doesn't see the broken red chain icon when losing connection until he gets the no message received.

 

OS: Windows 7 Home Premium x64

ArmA 2: 103718

Epoch: 1.0.3

Running through DayZ Commander 0.9.1.90