* Login into your SiteUtil Panel via https://www.siteutil.com
* On left hand side Menu Tree, at the bottom click on 'Change Password'
* Please select the 'Account Type' as 'NT User Account' from the drop-down box.
* Fill in the corresponding 'User ID' and rest of the boxes with relevant information.
* Finally click on 'Change Password' button to reset the FTP password for the selected User.