Linux Modify Windows SAM Passwd

Original reference

http://www.howtogeek.com/howto/windows-vista/change-your-forgotten-windows-password-with-the-linux-system-rescue-cd/

Make sure Linux OS support NTFS file system

wget -c

And the tools for Change windows SAM file

# yum install chntpw

Mount Windows system disk

# mount -t ntfs-3g /dev/dm-1 /mnt/windos -o force

# df

Filesystem           1K-blocks      Used Available Use% Mounted on

/dev/mapper/ddf1_4c53492020202020808627c3000000004711471100001450p7

118879508  32236812  80603912  29% /

tmpfs                  1035676       272   1035404   1% /dev/shm

/dev/mapper/ddf1_4c53492020202020808627c3000000004711471100001450p1

51199123   9302494  41896629  19% /mnt/windos

Finally find the system SAM file and change it then reboot

# cd /mnt/windos/WINDOWS/system32/config/

# chntpw -l SAM

# chntpw -u Administrator SAM