ISD 820 Knowledge Base

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====== Reset Windows Password (chntpw) ======

===== Boot off Linux CD =====
  * [[http://pogostick.net/~pnh/ntpasswd/|Offline NT Password and Registry Editor]]
  * [[http://www.sysresccd.org/SystemRescueCd_Homepage|SYSTEMRESCUECD]]

===== Offline NT Password and Registry Editor Method =====
Boot of the Offline NT Password and Registry Editor cd and **unlock** and **clear** the **administrator** password.  
Write files back to the filesystem when asked to.

===== Remove Hibernation File and Mount RW =====
<file>
mount -t ntfs-3g -o remove_hiberfile /dev/sdaX /mnt
</file>

===== System Rescue CD Method =====

==== Mount Windows Volume ====
<file>
mount.ntfs-3g /dev/sda1 /mnt
</file>

==== Run chntpw ====
<file>
cd /mnt/Windows/system32/config
chntpw SAM system SECURITY
</file>
This will run chntpw for **administrator**.  **Unlock** the account if necessary and/or **clear the password**.  
Answer yes to writing hives to the filesystem.

ISD 820 Knowledge Base

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