can't activate autocad 2015 (student version)

[Anonymous]

hello, 

i tried to activate autodesk inventor professional but i keep getting an error which reads "your online activation request has returned an error (400) which is not allowing your request to be processed using our automated system"

i really need help, thanks in anticipation

[camilo.lemos]

Hi @Anonymous and welcome to the Autodesk Community!

For licensing assistance, please contact the Activation and Registration team through our Contact Us page. Please be sure to wait for the page to fully load so that the contact options become visible.

I hope this helps!