Specifies a time in the format 9:00 am or 15:22. Attempts to authenticate after this time of day will fail. If Block-Logon-To is also specified for a later time of day, access is blocked between those times. The time of day that is used is the local time on the host where Radiator is running. Block-Logon-From is superseded by the Time check item and will not be supported in the future. For more information, see Section 7.1.15. Time.