Active Password Changer 

Active Password Changer is a DOS-based solution designed for resetting local user passwords on Windows XP 2000 NT 2003 Server systems in case of Administrators password is forgotten or lost.
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Active Boot Disk 

Active Boot Disk Professional combines six powerful tools that let you recover your lost data, reset Windows passwords, make computer system backups and securely erase data. Active Boot Disk is used from a bootable CD-ROM to start the PC.
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Network Password Changer 

Changes password on multiple computers centrally. Ideal for centrally changing the Local Administrator password on a group of computers. This will work with domains and workgroups.
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