ORA-03136: inbound connection timed out

ORA-03136: inbound connection timed out


Cause:


Inbound connection was timed out by the server because user authentication was not completed within the given time specified by SQLNET.INBOUND_CONNECT_TIMEOUT or its default value



Action:


1) Check SQL*NET and RDBMS log for trace of suspicious connections. 2) Configure SQL*NET with a proper inbound connect timeout value if necessary.