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party disk-imaging application. The major advantage of Sysprep installation is speed. The image can be packaged and compressed; only the files required for the specific configuration are created as part of the image. The shortened GUI-mode Setup can take five or six minutes instead of 45 to 60 minutes and prompts the user only for required and user-specified information. Because the reference and destination computers are required to have identical HALs and ACPI support, you might be required to maintain multiple images for your environment. Warning

Before performing disk duplication, check with your software vendor to make sure that you are not violating the licensing agreement for installation of the software that you want to duplicate.

Table 2-14 describes the steps you must perform during the process of preparing a reference computer for disk duplication.

Table 2-14 Preparing a Reference Computer for Disk Duplication Step Step 1 Description Install the operating system on a computer that has hardware similar to the destination computers. While preparing the computer, do not join it to a domain, and keep the local administrative password blank. Configure the computer. Log on as the administrator, and then install and customize Windows XP Professional and associated applications. This process might include adding Plug and Play device drivers or productivity applications (such as Microsoft Office), business-specific applications, and other applications or settings that you want included in a common configuration for all client computers. Validate the image. Run an audit, based on your criteria, to verify that the image configuration is correct. Remove residual information, including anything left behind from audit and event logs. Prepare the image for duplication. When the computer is configured exactly as you want it, prepare the system for duplication. If you are running Sysprep with the -mini parameter, you can prepare the system by running Sysprep with the optional Sysprep.inf file, which is described earlier in this chapter. After Sysprep runs, the computer shuts down automatically or indicates that it is safe to shut down. Duplicate. The computer hard disk is triggered to run Plug and Play detection, create new security identifiers (SIDs), and run the MiniSetup Wizard the next time the system is started. You can duplicate or create an image of the system by using hardware or software. The next time Windows XP Professional is started from this reference computer or from any destination computer created from this image, the system detects and reenumerates the Plug and Play devices to complete the installation and configuration on the destination computer.

2:

Before you can use Sysprep, your computer hardware and related devices must meet the following requirements:

The reference and destination computers must have compatible HALs. For example, Advanced Programmable Interrupt Controller (APIC) based MPS (multiprocessor systems) must use the same APIC HAL. A standard HAL programmable interrupt controller (PIC) based system is not compatible with either the APIC HAL or the MPS HAL. The reference and destination computers must have identical Advanced Configuration and Power Interface (ACPI) support. The Plug and Play devices on the reference and destination computers such as modems, sound cards, network adapters, and video cards do not have to be from the same manufacturer. However, the drivers for these devices must be available. Third-party disk-imaging software or disk-duplicating hardware devices are required. These products create binary images of a computer s hard disk and either duplicate the image to another hard disk or store the image in a file on a separate disk. The size of the hard disk on the destination computer must be at least the same size as the hard disk on the reference computer. If the destination computer has a larger hard disk, the difference is not included in the primary partition. However, you can use the ExtendOemPartition key in the Sysprep.inf file to extend the primary partition if it was formatted as NTFS.