User Lockout Policy

I could not find documentation for setting up the user-lockout policy.   can you please let me know how to enable and configure this option?

Use the ExCM Extranet Service to enable the User Automation features...

(Extranet Service Overview)
http://help.sharepointsolutions.com/products/2010/excm/Configuration_ExtranetSharePointService_Overview.html

1. Create a new ExCM service using the 'New-ExCMExtranetService PowerShell command...

(New Extranet SharePoint Service)
http://help.sharepointsolutions.com/products/2010/excm/PowerShell_New_ExCMExtranetService.html

2. Create a User Automation timer job using the 'Add-ExCMExtranetUserAutomationJob' command...

(Add Extranet User Automation Job)
http://help.sharepointsolutions.com/products/2010/excm/PowerShell_Add_ExCMExtranetUserAutomationJob.html

3. Configure your OWSTimer.exe.config file and setup your User Automation policies

(User Automation Overview)
http://help.sharepointsolutions.com/products/2010/excm/User_Automation_Overview.html