Hi Carlos,
Firstly, I think is not recomendable that you mantain your actual TSM server 
version because, like you should know, 4.1 version is out of support.
Answering to your question, you have a complete procedure of how to add an 
automatic library in any "Quick start"

http://www.tivoli.com/support/public/Prodman/public_manuals/td/StorageManagerforHP-UX4.2.html

Hope this help.
Rafael Mindez

PD: Si necesitas cualquier ayuda en espaqol, puedes escribirme un mensaje a 
rafael_mendez AT lycos DOT es