Password must meet complexity requirements Computer Configuration\Windows Settings\Security Settings\Account Policies\Password Policy
Description
Determines whether passwords must meet complexity requirements.
If this policy is enabled, passwords must meet the following minimum requirements:
Not contain all or part of the user's account name
Be at least six characters in length
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)
Nonalphanumeric characters (e.g., !, $, #, %)
Complexity requirements are enforced when passwords are changed or created.
To create custom password filters, see the Microsoft Platform Software Development Kit and the Microsoft Technet.
Default: Disabled.