You will need to restart
the computer after it has been joined to the domain.
NOTE Don??™t be concerned if this command takes a while to complete. Depending on your network
environment, it could take a minute or two before the command can complete successfully.
Configure Automatic Updates
You would think that Microsoft would have at least provided an easy way to initiate and
configure Automatic Updates, but without Windows Explorer or even Internet Explorer,
35 Chapter 2: Server Core
getting updates installed can be quite tricky. You??™ll have to rely on a Windows script file
called scregedit.wsf, which is located in the %WINDIR%\System32 directory. Unfortunately,
with Server Core, it??™s all or nothing when it comes to Automatic Updates. You either
enable or disable it completely. Since there??™s no GUI, you have no way of controlling which
updates to install. Of course, the workaround to all this is to configure Automatic Updates
using group policy in conjunction with a patch-management solution such as Windows
Server Update Services to control exactly which patches your server will receive.
To enable Automatic Updates manually, you can run this command:
Cscript Scregedit.wsf /AU 4
To turn off Automatic Updates (the default), you would run this command:
Cscript Scregedit.wsf /AU 1
Figure 2-5. Renaming a Server Core installation
36 Microsoft Windows Server 2008 Administration
NOTE A graphical warning message is displayed whenever you run Scregedit.
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