In order for me to record the NTLM authentication in TruClient 12.01 FireFox, I had to do the following steps:
- enter "about:config" into the URL bar
- search for network.automatic-ntlm-auth.trusted-uris
- enter the full string of my URL as the value for that config item
- then record the login by entering the URL of the AUT, and respond to the NTLM authentication dialog
The resulting step in TC includes a "Enter credentials in the authentication dialog" embeded inside the "Navigate to" step.