Article ID: 323170 - View products that this article applies to.
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This step-by-step article describes how to back up, edit, and restore the registry in Windows NT 4.0. Microsoft recommends that before you edit the registry, you back up the registry and understand how to restore it if a problem occurs.
How to Restore the Registry section of this article to restore the registry to its previous state.
NOTE: Do not follow these steps to export a whole registry hive (for example, the HKEY_CURRENT_USER hive). If you must back up whole registry hives, back up the whole registry instead.
156328NOTE: You must have a supported tape drive to use Windows NT Backup to back up the registry. If you do not have a supported tape drive, use Rdisk. When you run the rdisk /s command to update your repair information, compressed copies of the registry files are placed in the %SystemRoot%\Repair folder. If you cannot start Windows NT after you edit the registry, you can manually replace the registry files by expanding the copies in the %SystemRoot%\Repair folder.
(http://support.microsoft.com/kb/156328/EN-US/ )Description of Windows NT Emergency Repair Disk
Using Registry Editor incorrectly can cause serious problems that may require that you reinstall your operating system. Microsoft cannot guarantee that problems that result from incorrectly using Registry Editor can be solved. Use Registry Editor at your own risk.
For more information about editing the registry, follow these steps in Registry Editor (Regedt32.exe):
NOTE: If you ran the rdisk /s command to update the repair information, updated, compressed copies of the registry files are located in the %SystemRoot%\Repair folder. If you cannot start Windows NT after you edit the registry, you can manually replace the registry files in the %SystemRoot%\System32\Config folder by expanding the compressed copies in the %SystemRoot%\Repair folder. You must start MS-DOS (if the drive uses the FAT file system) or perform a parallel installation of Windows NT (if the drive uses the NTFS file system) to do this.
(http://support.microsoft.com/kb/265422/EN-US/ )How RDISK.EXE Updates Repair Information
(http://support.microsoft.com/kb/122857/EN-US/ )RDISK /S and RDISK /S- Options in Windows NT
Article ID: 323170 - Last Review: November 1, 2006 - Revision: 1.5
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