hyper-v issue resetting password with bootdisk

I had a hyper-v vm running server 2008 that was hacked.  I disabled all admin accounts, but I am now screwed since I can't do any admin functions.  I was told to use the bootdisk here http://pogostick.net/~pnh/ntpasswd/ to reset the password.  I tried that and got the error in the screen shot attached.

dos output
jackjohnson44Asked:
Who is Participating?
 
Lee W, MVPConnect With a Mentor Technology and Business Process AdvisorCommented:
Use DART. And see the "Crack the Cred" series by Dana Epp/Scorpion Software.
0
Question has a verified solution.

Are you are experiencing a similar issue? Get a personalized answer when you ask a related question.

Have a better answer? Share it in a comment.

All Courses

From novice to tech pro — start learning today.