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The random ramblings of a Star Trek-obsessed schools ICT Systems Manager who likes a good moan.
This is a place where I can whinge about life, and express my love of my family, 80's music, retro computer gaming (especially on my Commodore 64),
 oh and Star Trek. I'm very open with my opinions and I like a good moan. If you don't like what I say, then you might want to consider not reading this blog.

Tuesday, August 06, 2013

Techy Post - Have you forgotten the local administrator password?


Ever had an occasion when you've removed a computer from a domain, and can't remember the administrator password to log on locally?  I've been guilty of this on several occasions (I had it last week when I removed a domain controller from the network, and was left with a file server that I could not log in to!)

I know there are various utilities that enable you to reset the password, but this is a useful way of doing it without any hacks, or third party tools.  This works with Windows 7 and Server 2008.  Although I haven't tested it on other versions of Windows, I don't see why it won't work on those.

  • Boot your PC from your Windows 7/Server 2008 installation Disk.
  • When you are prompted, choose your language.
  • Select partition and installation version and click next.
  • Select Repair your Computer
  • Select Command Prompt (Open a command prompt window)
  • Type the following :-
    • cd c:\windows\system32
    • move utilman.exe utilman.exe.bak
    • copy cmd.exe utilman.exe
  • Restart your computer
At the logon prompt, hold down the Windows Key and press U at the same time.  This will now bring up the command prompt instead of the Utility Manager.

From the command line, type :-
net user administrator P455word

Try logging on with the new password - Voila!

Don't forget to copy back the original utilman.exe file.

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