There are several reasons why bet365 accounts can be restricted, including matched betting, unreasonable betting behaviour, GamStop (self-exclusion), and exploitation of bonuses. These are the most common reasons for the restriction of accounts with bet365.
Draw No Bet removes the option of a draw from a bet and allows bettors to bet on either a home or away win. If your selection is successful your bet will win, If the contest ends in a draw, your stake will be returned meaning you neither win or lose. Your bet will lose if the team you backed are defeated.