Global Technical Access Center
"GTAC is your focal point for your post sale product support needs. The center provides product application and operating system support services through telephone and electronic access and tools.
GTAC is organized into specialized teams that support specific disciplines getting you quickly to the subject matter experts to address your requirements."
GTAC NX Applications Support Manager - Cypress CA
GTAC is the "help desk". I encourage all of our users to contact them, but many times users are hesitant for some reason.
GTAC is also your contact, if the software isn't working correctly, they can get it it in the system to be fixed.