sus - Make a note of the URL

From: asdf (saltjumpcan_at_yahoo.com)
Date: 07/07/04 

Date: 7 Jul 2004 10:38:26 -0700

I'm trying to fix SUS. I need to know the
URL address that client machines use to interact
with the SUS server. Deploy said "make a note..."
I didn't install it so how do I discover it?

Thanks