If you are looking to download the Autodesk Licensing Service 10.1.1.66, please note that Autodesk typically provides the most current version of this component to ensure security and software compatibility. Version 10.1.1.66 was a specific update released in early 2020. How to Download and Install
System Requirements
Further Resources:
What is Autodesk Licensing Service 10.1.1.66?
Download and Installation
Autodesk frequently updates its licensing framework independently of the main software. Version 10.1.1.66 specifically addresses:
Mandatory Single Sign-On: Starting with this update, all single-user subscription users must leverage Autodesk's single sign-on capability. autodesk licensing service 10.1.1.66 download
If you tell me which Autodesk product (e.g., AutoCAD, Revit, Maya) or operating system you are using, I can provide more specific troubleshooting steps for that environment. Licensing Autocad 2021 - Autodesk Community