I have informed the internal team regarding this.
We now have serial numbers for AutoCAD 2011 on the Education Community. Please let us know if you're still unable to generate one.
I still get
Please send an email to studentsupport@autodesk.com and we'll assist you with the serial number generation process.
I need to purchase licenses for Autocad 2011 Full 64 bit version where can I purchase? 5-10 licenses
Hi William!
While only new licenses (currently 2014 release) are available for purchase, either through an Authorized Reseller or direct through Autodesk, we do offer a subscription benefit that allows previous version usage (up to 3 releases back).
Please let us know if you have any additional questions!