Oracle advises to install a Loopback Adapter before installing DB, OBIEE, etc... on Windows.Each time I need it, I google for a link.
Few days ago I had a major disk crash (that lovely shade of blue on start-up of the computer. Yes, I planed a major backup that morning) and had to install the entire windows box again. Naturally I looked for a link about Loopback Adapters. This following post I liked better so I decided to add a link to it in my blog. Mostly for me: