If you replace your hard drive or if your Data Recovery computer fails and makes it unusable or un-startable, you can restore your system using a previous backup of your computer. A full restore restores the state of the system at the time the backup was created.
A full system restore cannot be performed if the hardware (such as the motherboard) is different from the one being replaced. The installed operating system is closely related to the computer hardware. However, you can perform a full system restore on a hard drive that is the same size (or larger) as the one you are replacing.
When performing a full system restore, you can select a specific backup to restore the system with all applications, settings, and settings that existed at the time of the failure, breakdown, or theft. You can also select the volumes you want to restore.

Windows PE is a minimal operating system designed to prepare your computer for Windows installation. for servers running Windows Server Essentials, Windows PE is installed automatically when the Wikipedia recovery media is inserted into the computer being recovered. for servers running Windows Server Essentials, Windows PE is installed automatically when you start the computer using the client recovery service or using a USB flash drive.
Windows PE does not support wireless connections. Because of this, the computer being restored must be physically connected to the Small Business Network.
The system recovery media provided with Windows Server® 2012 Essentials installs Windows Pre-installation Environment (Windows PE) on your computer. Windows PE replaces the MS-DOS environment and contains the core program files for Windows. In Windows Server Essentials, there are two ways to restore your system: by using the client’s network-based, media-agnostic recovery service, or by using a USB flash drive.
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