The selected policy will prevent a user from attempting to login to their SharePoint Workspace account after reaching the ...

The selected policy will prevent a user from attempting to login to their SharePoint Workspace account after reaching the specified number of invalid login attempts. In order for a user to recover from this state, some form of password reset must be enabled from the identity policy template assigned to the user. Go to the Security Policies tab of the appropriate policy template to enable password reset before enabling this policy.