* Passwords cannot contain the user’s account name or parts of the user’s full name that exceed two consecutive characters. * Passwords must be at least six characters in length. * Passwords must contain characters from three of the following four categories: 1. English uppercase characters (A through Z). 2. English lowercase characters (a through z). 3. Base 10 digits (0 through 9). 4. Non-alphabetic characters (for example, !, $, #, %). in reference to: "Passwords cannot contain the user’s account name or parts of the user’s full name that exceed two consecutive characters. Passwords must be at least six characters in length. Passwords must contain characters from three of the following four categories: English uppercase characters (A through Z). English lowercase characters (a through z). Base 10 digits (0 through 9). Non-alphabetic characters (for example, !, $, #, %)." - Windows Server 2008 Password Complexity Requirements « th...