An account locking policy is the number of consecutive, unsuccessful login attempts before automatically locking (temporarily disabling) user accounts that fail to log in to the GUI many times in a row.
When you set an account locking policy, it is immediately applied to all Common Component products that use Single Sign-On functionality. For example, if you set the number of consecutive failed login attempts to 3 and a user fails to log in to Ops Center Automator three times, the user account is automatically locked.