"Failed start target server" when install LC ES Weblogic edition

Hi all ,

I am using the LC configure manager to start LC server.

Weblogic Admin server already started , but target server start failed.

I want to login to weblogic admin console , I try weblogic/weblogic ,but it failed ..

Does anyone here know the default user/pass for weblogic . I do remember that I haven't set any user/password for weblogic during the turnkey install

Thanks