Siebel Adapter 6.0 config issue

Iam trying to configure the Siebel Adapter6.0 in the IS6.1. The parameters, which I have given to configure the Siebel Adapter, are correct. But when i try to enable the connection i am getting the following error:
“threw a SiebelException: code(4102), msg(Could not open a session in 4 attempts. {1}”
I am trying to connect to Siebel 7.5.3.
Any one even faced this issue before?

This could be