This simple tool can change passwords for multiple users across different domains. It uses the NetUserChangePassword function from Netapi32.dll. It requires administrator privilliges on a stand-alone machine. A normal user account can use it in a domain environment when the user is allowed to change his or her password.
When running the tool it will retrieve the current domain and username. To change a password for another user inside the current domain just enter the username and it will add the current domain. ...