Recover admin password on your Windows Plesk

If you want to retrieve the admin password in Plesk on your server running windows you can do utilidd plesksrvclient.exe

To retrieve your password in Plesk

1. Connect to your server via remote desktop windows.
2. In your server, enter the command.
3. Run the following code
   “%plesk_bin% plesksrvclient” -get

And I will show you the current password on screen.

SOURCE: http://support.godaddy.com/help/article/130/recovering-your-parallels-plesk-panel-password-on-a-windows-server