Windows xp registry restore default

For more information, see KeysNotToRestore. It is not necessary to honor the KeysNotToRestore registry key. For block-level volume backups, Windows Server Backup honors the KeysNotToRestore registry key by deleting the appropriate files at restore time.

The LastInstance registry value indicates that a bare-metal restore operation has been performed and that the volumes have been overwritten but not formatted. When a backup application performs a system state restore, it must indicate that it has done so by setting the LastRestoreId registry value.

If the entire boot and system volume are restored at the volume level, this value must not be set. If the LastRestoreId registry value does not exist, the backup application should create it under the following registry key:. The value should be a unique opaque value such as a GUID. Whenever a new system state restore is performed, the backup application should change the data of the LastRestoreId value.

Other applications that need to monitor system state restores should store the data of this registry value. This data can be compared against the current data of the LastRestoreId registry value to determine whether a new system state restore has been performed. The MaxShadowCopies registry value specifies the maximum number of client-accessible shadow copies that can be stored on each volume of the computer.

Client-accessible shadow copies are used by Shadow Copies for Shared Folders. For more information about shadow copies, see the VSS documentation. If the MaxShadowCopies registry value does not exist, the backup application can create it under the following registry key:.

The default data for this value is The minimum is 1. The maximum is For other types of shadow copies, there is no registry value that corresponds to MaxShadowCopies. The maximum number of shadow copies is per volume. Windows Server On cluster servers, MaxShadowCopies registry value's data may need to be set to a lower number.

VSS allocates a shadow copy storage area or "diff area" to store data for shadow copies. The minimum size of the shadow copy storage area is a per-computer setting that can be specified by using the MinDiffAreaFileSize registry value. If the MinDiffAreaFileSize registry value does not exist, the backup application can create it under the following registry key:. The data for this key is specified in megabytes. Windows 7 systems can be restored to factory settings or factory defaults if you have the installation disc available to perform a reinstall or a complete new installation of Windows 7.

If you have the Windows 7 installation disc available, you can use it to perform a repair of your computer and attempt to fix potential issues , a restore if System Restore is enabled, or to reinstall Windows 7. System Restore can restore your computer to an earlier date if it has been enabled and ran correctly, while Startup Repair can attempt to fix any found errors that may prevent you from starting Windows 7. Startup Repair can be included on your computer. You can run Startup Repair to perform a scan and fix potential issues.

If you can access and boot into your Windows 7 system, you can use System Restore by following these steps:. This procedure erases everything on your computer. Backup your files before you continue! Similar to a refresh of the system, if you upgraded from Windows 8 to Windows 8. You will need to upgrade to Windows 8. System Restore can restore your Windows 8 or Windows 8. If your PC did not come with a Windows installation disc or if you no longer have your Windows setup media, you can use Easy Recovery Essentials for Windows instead.

EasyRE will automatically find and fix many problems, and can also be used to solve this problem with the directions below. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.

For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:.

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