Serial Number not valid. Try again. (18)

[jdelrosa]

I purchased an upgrade version of AutoCAD LT.  The problem is the old version was registered by another employee under a different account.  Is there anyway I can fix this issue?

[jessica.t]

Hello and welcome to the Autodesk Community!

Our Activation and Registration department can assist with that request! You can reach this department directly through our Contact Us page. Select your issue, topic, and then "I still need help" to pull up the associated chat options. If you have any other questions please respond to this post. Thank you!