Datasheet

Using Command-Line Options
Command-line options are becoming more and more popular among administrators and
users. Windows Update has a few command-line options that can be used to help confi gure
and maintain it. First off, to start Windows Update from a command prompt, you can
type
wuapp.exe. Another command-line option that works with Windows Update is called
Windows Update Automatic Update Client (
wuauclt.exe), which has multiple options:
Detectnow Option When working with WSUS, waiting for detection to start can become
very time-consuming. So Microsoft has added an option to allow you to initiate the process
of detecting available updates right away. To run the
detectnow option, type the following
command at the command prompt:
wuauclt.exe /detectnow.
Reportnow Option This command allows you to send all queued reporting events to the
server asynchronously. To execute this command, type
wuauclt.exe /reportnow at the
command prompt.
Resetauthorization Option WSUS uses a cookie on Windows 7 client computers to store
different types of information. By default, an hour after the cookie is created, it expires. If
you need the cookie to expire now, you can use the
resetauthorization option along with
the
detectnow option. Using these options will expire the cookie, initiate detection, and
have WSUS update computer group membership. To execute this command, type
wuauclt
.exe /resetauthorization /detectnow at the command prompt.
Installing Windows Service Packs
Service packs are updates to the Windows 7 operating system that include bug fi xes and
product enhancements. Some of the options that might be included in service packs are
security fi xes or updated versions of software, such as Internet Explorer.
Prior to installing a service pack, you should perform the following steps:
1. Back up your computer.
2. Check your computer to ensure that it is not running any malware or other
unwanted software.
3. Check with your computer manufacturer to see whether there are any special
instructions for your computer prior to installing the service pack.
You can download service packs from
http://windows.microsoft.com/en-US/windows/
downloads/service-packs
. You can receive service packs via Windows Update, or you can pay
for a copy of a service pack to be mailed to you on disk. Before you install a service pack, you
should read the release notes that are provided for each service pack on Microsoft’s website.
The objectives for this chapter list rolling back updates as one of the
exam objectives for this section. We will discuss rolling back updates in
Chapter 9, “Configuring Backups and Recovery.”
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