Simple Remote Desktop Tip

I've been experimenting with NX (see Evaluating NX) and was able to connect to a machine running Windows XP through the NXServer but was prevented from logging in because, the message said, the user account had a "restriction." This seemed strange since the user account was an "administrator" with all the privileges necessary to do just about anything.

Here's the message dialog:

Long story short: the account used to establish a Remote Desktop connection must have a password. Since this computer is well protected behind a firewall and doesn't contain highly sensitive information, the user account did not have a password.

The Remote Desktop dialog clued me in: