[Sirious Problem] My Gameserver and Dataserver connect causes crash client when login

I have A server gameserver IA julia's project 1.1.0.298 And Dataserver 0.70.04T running on Window 2003 SP2 Every work Great when start server. But After some hour Gameserver and Database server disconnect and some body that login the game must be stuck on loading screen like Mu client Crash no thing change!. And When i restart gameserver.exe(just gameserver) Every Once can enter the game but all Data Roll Back All of playing player before disconnect
can anny body help me
Thank for Reading!

i think you are using bad configs of dataservers, or gameserver..

check the dataservers 55960 1, 55962 2, 55964 3, 55966 4

and check the gameservers ports and see the log, it can be help if you see errors..