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How can I reset my Windows Server Administrator password?

When you order a VPS with Windows Server (2008 or 2012 R2), you will get the option to select your own 'Administrator'-password. It is very important that you carefully store this password (as we have no access / insight into it and can never supply you with this password ourselves). Should you however forget this password or lose it in another way, there are 2 options that may be used to reset the Administrator password:

- When you possess another account with Administrator right to which you do know the password, or if you have saved the credentials through your RDP-client, you can use that to login into Windows Server. Once logged in you can use the following guide to reset the password of the 'Administrator' account.

- If you unfortunately do not posses another account and have no other way of retrieving the password for the Administrator-account, you can use the consoles 'Linux Boot rescue mode' to reset the password. Please note: these steps are for advanced users only and do not follow this guide unless you know what you are doing.

  1. Go to the console in the control panel and select Options in the top of the window. Select the Boot Linux rescue mode after that. Wait until the server is booted in the rescue mode and perform the commands as listed below.
  2. ntfs-3g /dev/vda2 /mnt/windows –o force (mount your Windows disk on /mnt/windows, the Windows disk can be located on either vda1 or vda2 and you are advised to check this first).
  3. cd /mnt/windows/Windows/System32/
  4. mv Utilman.exe Utilman.exe.bak
  5. cp cmd.exe. Utilman.exe
  6. umount /mnt/windows -l
  7. Reboot the server (through either the command reboot of by using the button 'Reset' below the console.
  8. Select the accessibility icon which will start CMD.
  9. Enter the next command: net user [username] [new password]. The username will most likely be Administrator.
  10. You should be able to use this 'new' to log onto Windows Server again. If you want the accessibility options restored from the logon screen, navigate to /windows/Windows/System32/ , delete Utilman.exe and rename Utilman.exe.bak to Utilman.exe again.

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