Not a valid account name or password.
You entered an invalid account (user) name or password.
User names can be from 1 to 20 characters long and can include alphabetic characters, accented characters, numbers, spaces, and symbols, with the following exceptions:
The characters " / \ [ ] | < > + = ; , : ? *
User names are not case-sensitive.
Passwords can be any combination of 14 or fewer characters; passwords can't contain control characters. Passwords are case-sensitive.