Microsoft KB Archive/100315

= Steps performed by the Emergency Repair Disk =

Article ID: 100315

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft Windows NT Advanced Server 3.1
 * Microsoft Windows NT Workstation 3.1
 * Microsoft Windows NT Workstation 3.5
 * Microsoft Windows NT Workstation 3.51
 * Microsoft Windows NT Workstation 4.0 Developer Edition
 * Microsoft Windows NT Server 3.5
 * Microsoft Windows NT Server 3.51
 * Microsoft Windows NT Server 4.0 Standard Edition

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This article was previously published under Q100315



SUMMARY
The following steps are performed by the Emergency Repair Disk:
 * 1) Runs CHKDSK on the partition containing Windows NT system files. On Intel x86 machines, also runs CHKDSK on the system partition (this is optional and must be enabled manually).
 * 2) Verifies that each file in the installation is good, through a checksum algorithm. If files are missing or corrupt they are restored from the installation disks.
 * 3) Replaces the default system and security (SAM) Registry hives, subject to user confirmation.
 * 4) Reinstalls Boot Loader (that is, the boot sector, BOOT.INI, NTLDR, etc.)

Note: The Emergency Repair disk is machine specific, and should only be used on a system on which it was created.

Additional query words: tshoot repair

Keywords: kbinfo KB100315

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