AppleCare Xsan Support Agreement: How to find the enrollment number
If you are trying to enroll or register your recently-purchased AppleCare Xsan Support Agreement, you will need to reference your enrollment (registration) number. (For other types of AppleCare agreements, look here.)
Inside your AppleCare Xsan Support Agreement box or envelope you will find a booklet that says "Getting Started" at the top. Just to the right of these words is a barcode with your AppleCare Xsan Support Agreement enrollment number above the barcode:
Once you have located your registration or enrollment number, you can activate your coverage here.