Universe Connection to CMS

Hi Experts,

I am new to Business objects admin work, we have business objects installed,I am trying to login to universe designer but it is not allowing me to login.

I have tried with different CMS parameters but it is till not allowing me to login. Below is the error I am getting when logging to universe designer.

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[repo_proxy 13] SessionFacade::openSessionLogon with user info has failed(Unable to log on: Could not connect to server usrdrthnndb01.abc.com. Please check that the server name is correct, and that the server is running. (hr=#0x80042a01)

Kindly advise me