Your password helps prevent access by unauthorized people. When you create your password, follow these guidelines:
Do not use information such as your birthday, street address, or any other word or number that has anything to do with your personal life.
Do not use names of pets or loved ones.
Do not use words that appear in the dictionary or words spelled backwards.
The most difficult passwords to guess are those that combine uppercase and lowercase letters and numbers. Never give anyone your password, and never write it down where anyone can see it.
Follow these rules to create a password:
Passwords must be at least 6 bytes long.
Passwords can consist of any printable letters, numbers, or symbols.
A password must be enclosed in quotation marks in sp_addlogin if it:
Includes any character other than A–Z, a–z, 0–9,_, #, valid single-byte or multibyte alphabetic characters, or accented alphabetic characters
Begins with a number 0–9