The AdvanceWarningTimeframe property sets a reminder, in number of days, used to warn the employer of an employee's upcoming end date for enrolling that employee in a healthcare plan. This setting is used determine when the Enrollment Deadline counter displays the warning for an employee.
Admin Tools location:
Config Option > Supplier > Employer_Healthcare
Any number of days to warn prior an employee's healthcare enrollment period ending. This is the value used to determine when an employee will appear in the Enrollment Deadline counter.