How to change the Administrator password in Windows Server 2003

1. Log on to the computer using the Administrator account.
2. Click Start, right-click Administrative Tools, and then click Open. Administrative Tools opens.
3. Double-click Computer Management, click Local Users and Groups, and in the details pane, double-click Users. The Users folder opens
4. In the details pane, right-click the account that you want to change, and click Set Password. A warning dialog box opens. Read the information to determine whether you want to proceed with the step to change the password.
5. In New Password, type a password. In Confirm password, retype the password, and then click OK.