tool via an elevated command prompt to reset or change license methods. Service Update : Ensure the Autodesk Licensing Service

: Open your Autodesk 2020 software (e.g., AutoCAD, Revit, 3ds Max). : In the "Let's Get Started" window, select Sign-In / Single User Authentication

How to Fix 'Your AutoCAD License Is Not Valid' [8 Solutions] - ZWSOFT