Chntpw: Difference between revisions
From Leo's Notes
This page was last edited on 14 June 2020, at 22:00.
initial page |
mNo edit summary |
||
| (4 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
{{code|chntpw}}, short for '''Ch'''ange '''NT''' '''P'''ass'''w'''ord, is a utility for updating or clearing Windows account passwords by modifying the SAM database directly. This utility runs only on Linux and can be found on some live CD images including Clonezilla. | |||
== Usage == | == Usage == | ||
Boot into a live CD with the utility. Clonezilla | Boot into a linux distro or live CD with the utility. The examples below was done using Clonezilla. | ||
{{highlight|lang= | {{highlight|lang=terminal|code= | ||
# Mount your Windows partition | ## Mount your Windows partition | ||
mount /dev/sda1 /mnt | # mount /dev/sda1 /mnt | ||
# Locate the SAM database | ## Locate the SAM database | ||
cd /mnt/Windows/System32/config | # cd /mnt/Windows/System32/config | ||
file SAM | # file SAM | ||
SAM: MS Windows registry file, NT/2000 or above | SAM: MS Windows registry file, NT/2000 or above | ||
# Edit or clear the password using chntpw | ## Edit or clear the password using chntpw | ||
chntpw SAM | # chntpw SAM | ||
}} | }} | ||
== Caveats == | |||
If your Windows partition is encrypted, you will probably be unable to mount the Windows partition properly. | |||
[[Category:Linux]] | Changing passwords might not work for recent versions of Windows. Try clearing the password instead. | ||
{{Navbox Linux}}[[Category:Linux]] | |||
[[Category:LinuxUtilities]] | |||
Latest revision as of 22:00, 14 June 2020
chntpw, short for Change NT Password, is a utility for updating or clearing Windows account passwords by modifying the SAM database directly. This utility runs only on Linux and can be found on some live CD images including Clonezilla.
Usage
Boot into a linux distro or live CD with the utility. The examples below was done using Clonezilla.
## Mount your Windows partition
# mount /dev/sda1 /mnt
## Locate the SAM database
# cd /mnt/Windows/System32/config
# file SAM
SAM: MS Windows registry file, NT/2000 or above
## Edit or clear the password using chntpw
# chntpw SAM
Caveats
If your Windows partition is encrypted, you will probably be unable to mount the Windows partition properly.
Changing passwords might not work for recent versions of Windows. Try clearing the password instead.