I opened my new Mario/Luigi 3DS XL and tried setting up the Nintendo Network ID. Input everything, then it kept giving me error messages when putting in my actual ID (Zolor23). I finally got it to go through, then it tells me that there has been a connection error. I try again and it tells me the ID has already been used. At this point, I'm assuming that the actual request to set up the ID went through and Zolor23 is registered, but it just gave me an error message. I go to sign in and it tells me the information I have entered is not correct.
Afterwards, I get an email from Nintendo telling me to confirm my e-mail. The link inside this e-mail does not work. Sends me to a page saying "Either there is a mistake in the URL or it has expired." It also has instructions if the link does not work to:
"Steps for systems in the Nintendo 3DS family: