Unlike other versions of Windows, Server
Core lacks the interface requirements to notify you about anything. Consequently, the only mode
available is to download the updates and install them automatically without telling you, which is
mode 4.
Fortunately, you can control the time at which Windows Update performs its work. However, you
must use the Registry Editor to make the change. Start the Registry Editor by typing
RegEdit
and pressing
Enter. Locate the
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\
WindowsUpdate\Auto Update
key shown in Figure 3.1. Change the
ScheduledInstallTime
value
to the update hour you want to use. For example, if you enter 13 (0x0000000d), the update will
take place at 1:00
PM
. The maximum value is 23 (0x00000017)??”use a value of 0 for midnight. The
ScheduledInstallDay
value determines when the update occurs. If you set this value to 0, then the
update occurs every day. Otherwise, the update occurs on the day of the week you choose starting
with 1 for Sunday. The maximum value is 7 for Saturday.
Figure 3.1
Some settings changes
must occur within
the Registry Editor
because Server Core
lacks a GUI.
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