To enable or disable password complexity requirements in an Active Directory environment, you should do the following:
- Open the Group Policy Management Console (GPMC).
 - Navigate to the Organizational Unit (OU) used to control password complexity settings.
 - In the right pane of the GPMC, select the password policy which you wish to modify.
 - Select the 
Computer Configuration
>Windows Settings
>Security Settings.
 - Select 
Account Policies
>Password Policy.
 - Enable or disable the policy option that enforces complexity requirement.
 - Click 
OK
to save your configuration changes. 
