Auto cad 2020 student version activate

[istitutodellearti]

Good morning,
i installed AutoCad 2020 student version and now i'm trying to activate it, but the application give me always the same error (see the screenshot attached).
product key 001L1
serial xxx-xxxxxxxx
On the same PC is also installed AutoCad 2016 and it works without any problem.
Thaks in advance for your answer.
Luca

[rue.williams]

Hi @istitutodellearti ,

You will get more assistance with this issue by posting in our Installation & Licensing forum.