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Copyright © Acronis, Inc., 2000-2009
Acronis Universal Restore technology provides an efficient solution for hardware-independent system
restoration by replacing the crucial Hardware Abstraction Layer (HAL) and mass storage device
drivers.
restoration by replacing the crucial Hardware Abstraction Layer (HAL) and mass storage device
drivers.
Acronis Universal Restore is applicable for:
1. Instant recovery of a failed system on different hardware
2. Hardware-independent cloning of operating systems
3.12.1.1. Limitations in using Acronis Universal Restore
1. The system recovered by Acronis Universal Restore might not start if the partition structure in the
image or the target disk partitioning does not coincide with that of the source disk. As a result, the
loader restored from the image will point to the wrong partition and the system will not boot or will
malfunction.
image or the target disk partitioning does not coincide with that of the source disk. As a result, the
loader restored from the image will point to the wrong partition and the system will not boot or will
malfunction.
This may occur if you:
back up only selected partitions but not the entire source disk
restore not the entire source disk, but only the selected partitions. In some cases, especially if
your system resides on a partition other than the first, this can confuse the loader and prevent
the restored system from startup.
your system resides on a partition other than the first, this can confuse the loader and prevent
the restored system from startup.
To avoid the problem, we recommend that you back up and restore the entire system disk.
2. The Acronis Universal Restore option does not work if a computer is booted with Acronis Startup
Recovery Manager (using F11) or the backup image is located in Acronis Secure Zone. This is because
Acronis Startup Recovery Manager and Acronis Secure Zone are primarily meant for data recovery on
the same computer.
Recovery Manager (using F11) or the backup image is located in Acronis Secure Zone. This is because
Acronis Startup Recovery Manager and Acronis Secure Zone are primarily meant for data recovery on
the same computer.
3.12.2. General principles of Acronis Universal Restore
1. Automatic selection of HAL and mass storage drivers
Acronis Universal Restore searches the Windows default driver storage folders (in the image being
restored) for HAL and mass storage device drivers and installs drivers that best fit the target
hardware. You can specify a custom driver repository (a folder or folders on a network drive or CD)
which will also be used to search for drivers. In addition, Acronis Universal Restore can search drivers
on removable media.
restored) for HAL and mass storage device drivers and installs drivers that best fit the target
hardware. You can specify a custom driver repository (a folder or folders on a network drive or CD)
which will also be used to search for drivers. In addition, Acronis Universal Restore can search drivers
on removable media.
The Windows default driver storage folder is determined in the registry key
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Current version\DevicePath. This storage folder is
usually WINDOWS/inf.
usually WINDOWS/inf.
2. Installing drivers for Plug-and-Play devices
Acronis Universal Restore relies on the built-in Plug-and-Play discovery and configuration process to
handle hardware differences in devices that are not critical for the system start, such as video, audio
and USB. Windows takes control over this process during the logon phase, and if some of the new
hardware is not detected, you will have a chance to install the drivers for it later manually.
handle hardware differences in devices that are not critical for the system start, such as video, audio
and USB. Windows takes control over this process during the logon phase, and if some of the new
hardware is not detected, you will have a chance to install the drivers for it later manually.