BOOTABLE USB

Applies To: Windows Server 2012 Essentials, Windows Server 2012 R2 Essentials
This topic applies to a server running Windows Server 2012 Essentials or Windows Server 2012 R2 Essentials, or to a server running Windows Server 2012 R2 Standard or Windows Server 2012 R2 Datacenter with the Windows Server Essentials Experience role installed.
This topic provides an overview and supporting procedures for restoring or repairing a server running Windows Server Essentials, and includes the following sections:
The state of the server when you perform a restore affects the restore method that is available and how comprehensive a restore you can perform.
The most common reasons for restoring a server are:
  • A virus on the server cannot be inoculated or deleted.
  • The server configuration settings are bad, and you cannot start the server.
  • You replaced the system drive.
  • You are retiring the server, and you want to restore to a new server.
You can either restore the server from a backup, or you can restore the server to factory default settings.

Restoring the server from a backup

This section provides guidance on what type of backup to choose.
If a backup is available, your best choice for restoring your server is to use the manufacturer’s installation media to restore from an external backup. The restoration will recover server settings and folders from the backup that you choose. You only need to configure settings and restore data created after the backup.
When you choose to recover your server by restoring from a previous backup, you must choose the specific backup that you want restored, and you must have a valid backup file on an external hard drive that is directly connected to the server:
  • If you have a very recent successful backup of the server, and you know that the backup contains all of your critical data, your choice is fairly straightforward. You will only need to recreate data that was created after your last good backup and reconfigure settings changes made after the backup.
  • If you are restoring your server because of a virus, select a backup that you know occurred prior to receiving the virus. You might need to go back several days to select a backup that is clean.
  • If you are restoring your server because of bad configuration settings, select a backup that you know occurred prior to the configuration setting change that is causing the issue on the server.
When you restore from a backup, the exact process and the required follow-up depend on the number of hard drives on the server and whether the system drive is replaced:
  • If the server has a single hard drive and the drive is not replaced, the drive partition information is left intact when you restore the server. The system volume is restored, and the data on the remaining volume is preserved.
  • If the server has a single hard drive and the drive is replaced, the system volume is restored, and then you must manually restore folders to the data volume. Any non-default shared folders need to be created because they are not created when the server storage is recreated.
  • If the server has multiple hard drives, and drive 0 (contains the system volume) is not replaced, the drive partition information is left intact when you restore the server. The system volume is restored, and the data on all remaining volumes is preserved.
  • If the server has multiple hard drives, and drive 0 (contains the system volume) is replaced, the system volume is restored, and then you must manually restore any shared folders that were previously stored on drive 0.

Resetting the server to factory default settings

If you do not have a backup that you can restore from, or for some other reason you want or need to perform a full system restore without restoring the previous server configuration, you can perform a restore that resets the server to factory default settings by using installation or recovery media from the server hardware manufacturer.
When you restore your server by resetting it to factory default settings, all existing settings and installed applications on your server are deleted, and you must configure your server again. After a factory reset, your server restarts.
When you perform a factory reset, you can choose to keep your data or delete it, with the following effects:
  • If you choose to keep all your data, all data on the system volume is deleted, but the data on other volumes is retained.
    System_CAPS_ICON_caution.jpg Caution
    If the disk settings do not match the default settings, all data on a disk will be deleted. If you replaced the system disk, the new disk must be larger than the original disk’s system volume.
    If the partition information for a system drive is unreadable, or if you replace the system drive, all data on the system drive will be removed, even if you choose to keep all your data.
  • If you plan to decommission or repurpose the server, choose to delete all of your data. In addition to the server configuration, other settings, and the data on the system volume, all other data is deleted, and all hard drives on the server are reformatted.
System_CAPS_ICON_note.jpg Note
If Storage Spaces is configured on the server, before you perform a factory reset, you should use the Advanced section of the Manage Storage Spaces console to manually remove all storage spaces.
After a factory reset, you will need to perform the following tasks:
  • Reconfigure the server. On the server, use the Configure Server Wizard to reenter configuration settings. To configure a remotely managed Windows Server 2012 Essentials server from a client computer, open a web browser, and then type http://<YourServerName> in the address bar.
  • Reconnect client computers to the server. If a computer was previously connected to the server, you must uninstall the Windows Server Essentials Connector software from the computer before you connect the computer to the server again. For more information, see Uninstall the Connector software and Connect computers to the server.
The first step in server restoration is to restore or repair the server system drive. After you restore the system drive, you will do whatever is needed to restore the data drives on the server and restore any sharing that was lost in the restore.
Three methods are available for performing the restore:

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