: To function, the user must provide a specific product key. For example, the standalone key for AutoCAD 2021 Request & Response

Autodesk actively monitors license compliance. If a company is found using cracked versions during a License Compliance Audit

: Verify that version 9 or 10 of the Autodesk Licensing Service is installed. If version 10+ is already there, some guides suggest uninstalling it to allow the patch to work. Installation & Initial Setup