Hello licminsa
Welcome to the Autodesk Community!
It appears that you are having problems getting through your firewall or proxy server in order to contact the license server. The article provided by @TheCADnoob should help. If not, please update your post so I can continue to help you.
You might also post this on the Portuguese AutoCAD forum for better results.
Hi licminsa,
I am checking back to see if my post or @TheCADnoob helped you with your problem. Please add a post with your results so other Forum users can benefit.
Please hit the Accept as Solution button if a post or posts fully solved your issue or answered your question.
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