Pablo,

>Thanks Christof, I think the name pabloroca stand for my long time ago membership of CIS. Not uncommon? I'm unique! ROFL!

Here's an article about the AOL/Compuserve name-change problems (480,000 people must change email address):

http://news.cnet.com/news/0-1005-200-1631217-0.html?tag=st.ne.1002-0.?st.ne.fd.gif.c

It includes this:

Some customers trying to pick out new usernames got error messages in the middle of the process telling them to try again after 24 hours. "The daily registration limit for your network address has been reached," the messages said. But many people said they still couldn't get into their mail 24 hours later.
Good luck!