i have the problem that the clients loose connection to 'oub' instance (of 3), after an inactive period of 5 minutes and i get the error msg. ora-03114. there are 2 other instances on the server and the do not have the problem.

i tried it on the server, and got the same error.

the server is windows2000 and oracle version is 8.1.7.

i have checked for timeout parameters but found none.

can someone please help