Datasheet

32 Chapter 1
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Installing Windows 7
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The USMT will not migrate hardware settings, drivers, passwords, application binaries,
synchronization fi les, DLL fi les, or other executables.
A decision point that exists while using the USMT is to determine if you want to
perform a side-by-side installation or a wipe and load installation.
Side-by-Side Installation A side-by-side installation means that you have the new
computer and the old computer. You use ScanState to collect the user’s data. You then store
that data on an intermediate store. After the installation of Windows 7 on a new machine,
you use LoadState to move the data from the intermediate store to the new computer.
Wipe and Load Installation A wipe and load installation means that you have the old
computer only. You will install Windows 7 on the same machine as the previous operating
system. You use ScanState to collect the user’s data. You then store that data on an
intermediate store. After the installation of Windows 7 on the machine, you use LoadState
to move the data from the intermediate store to the old computer.
The USMT is downloadable software from Microsoft’s website. In its simplest form, you
use the USMT in the following manner:
1. Run Scanstate.exe on the source computer. Scanstate.exe will copy the user state
data to an intermediate store. The intermediate store (for example, a CD-RW) must be
large enough to accommodate the data that will be transferred.
Scanstate.exe would
commonly be executed as a shortcut sent to users that they would deploy in the evening
or through a scheduled script.
2. Install a fresh copy of Windows 7 on the target computer.
3. Run Loadstate.exe on the target computer. Loadstate.exe will access the
intermediate store to restore the user settings.
When you use the USMT, you can create a script that can be run manually or can be
used as an automated process at a scheduled time. Table 1.4 defi nes the options for the
Scanstate.exe and Loadstate.exe commands.
TABLE 1.4 Options for Scanstate.exe and Loadstate.exe
Option Description
/config Specifies the Config.xml file that should be used.
/encrypt Encrypts the store (Scanstate.exe only).
/decrypt Decrypts the store (Loadstate.exe only).
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