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I forgot W2K3 admin password. Is it possible to reset it

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2 Answers 2

up vote 3 down vote accepted

The tool you need is:

http://pogostick.net/~pnh/ntpasswd/

This works to reset or blank the password.

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As long as the disks aren't encrypted... –  chris Jan 5 '10 at 18:45
    
This is your best bet, as it seems your VM isn't a DC. –  DanBig Jan 5 '10 at 18:59
    
thx a lot it worked for me. –  Shantanu Gupta Jan 5 '10 at 19:19
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I use Ophcrack. It is a live CD that will tell you what the password is so that you don't have to reset it.

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I have used this in the past also and was going to suggest it. It has never failed me...+1 –  cop1152 Jan 5 '10 at 20:04
    
Interesting. How long does it take to crack a complicated password? Does it brute force or use algorithmic weakness to decrypt it? –  Dave Drager Jan 5 '10 at 22:00
    
On XP it takes about 6 minutes to find all the passwords on decent hardware. Vista takes more like 15. The Ophcrack website explains how it works in great detail, it quite interesting. –  BLAKE Jan 6 '10 at 16:23
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