This security setting determines whether passwords must meet complexity requirements. If this policy is enabled, passwords must meet the following minimum requirements: Not contain the user's account name or parts of the user's full name that exceed two consecutive characters 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) Non-alphabetic characters (for example, !, $, #, %) Complexity requirements are enforced when passwords are changed or created. Default: Enabled on domain controllers. Disabled on stand-alone servers.
By default, member computers follow the configuration of their domain controllers.
Windows Settings/
Security Settings/
Local Computer Policy -> Computer Configuration -> Windows Settings -> Security Settings -> Account Policies -> Password Policy
After changing group policy options, you need to update group policy. If you do not update group policy then settings will not effect. To update it just simply type below command and also sample image is shown.
gpupdate /force
In about command we used "/force" option, this will help up to update policy options forcefully.
