Hp Secure Key Manager User Manual download pdf (Page 198)

• Date & Time Procedures

Network Time Protocol overview

The Network Time Protocol (NTP) is a protocol by which computers on a network synchronize their

clocks against an NTP server. The NTP implementation on the SKM allows you to synchronize a clock

manually or at regular intervals.

When the SKM attempts to synchronize its clock against the NTP server(s), one of three outcomes is

possible:

• If the clock on the SKM is successfully synchronized, and the difference between the time on the

SKM and the NTP server(s) is less than 0.5 seconds, the time on the SKM is gradually slewed to

the real time.

• If the clock on the SKM is successfully synchronized, and the difference between the time on the

SKM and the NTP server(s) is greater than 0.5 seconds, the time on the SKM is immediately stepped

to the real time. This event is recorded in the System Log.

• If an error prevented the SKM from synchronizing its clock, an error message is recorded in the

System Log.

NOTE:

Synchronizing the time causes the KMS Server to restart if the time change is greater than one

minute. While restarting, the KMS Server is unavailable for a brief time ranging from a few seconds

to half a minute.

Date & Time Configuration Page

The Date & Time Configuration page enables you to view and edit the date and time settings on the

SKM and manage NTP communications. This page contains the following sections:

• Date and Time Settings

• NTP Settings

Date and Time Settings

Use the Date and Time Settings section, shown here, to view and edit the date, time, and time zone

settings.

Using the Management Console198

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Hp Secure Key Manager User Manual Page 198