Shoutbox

i went on holidays on the 19th of Dec, didnt have internet access til now, i come back, check my hotmail inbox and there is an invite dated the 19th. i use the ID given to me, it now says:

The invitation code you entered is invalid, assigned to another person, or else the program is no longer accepting invitations.

is there anyway to get another one from microsoft?
do current WLM got invites?

i can give screen shot need be

any help?

thanks