You saw an error message similar to the following when attempting to launch AutoCAD or F/X CAD:
License Error: The License manager is not functioning or is improperly installed. AutoCAD will shut down now.
If you're running F/X CAD 2021 or newer, the error might read similar to the following:
License Error: The License manager is not functioning or is improperly installed. AutoCAD will shut down now.
ADLSDK_STATUS_AUTH_PENDING
20:Generic license checkout error
Cause & Solution
Your cause and solution will depend on your version of CAD:
AutoCAD or F/X CAD 2022 & newer
If you're using the 2022 or 2023 year version, this error can result from:
- A compatibility issue between sleep mode and the Autodesk Desktop Licensing Service [AdskLicensing] 11.1 update, or
- Licensing services timing out on your computer
Here's your solution:
Step 1 [2022 & newer]: Install the most recent Autodesk Licensing Service update.
1A. Download the latest update.
1B. Open Windows Explorer and navigate to the location C:\Program Files [x86]\Common Files\Autodesk Shared\AdskLicensing on your computer.
Right-click the file uninstall.exe and select Run as administrator from the menu that opens.
This step will uninstall the Licensing Service.
Skip this step if the AdskLicensing folder is empty.
1C. Disable any antivirus software or firewall temporarily.
1D. Open the software installation folder for your 2022 year version of CAD. This folder should be in the location C:\Autodesk by default.
1E. Locate the file AdskLicensing-installer.exe, which you downloaded in Step 1A above. This file will usually be in the location C:\Autodesk\ ... \x86\Licensing