I just tried to log into our QA server and connect to Terminal (v 2013.1).  I can type in my username but when I attempt to type my password, no characters are typed. When I press ENTER the password is invalid.  I can connect to the management portal and the studio development environment without any problems.  Also, I do not have this problem when connecting to the terminal in our production environment (2010).  Does anyone know what can cause this type of problem?  Thanks.