& Construction

Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
& Manufacturing

Professional CAD/CAM tools built on Inventor and AutoCAD
Integrated BIM tools, including Revit, AutoCAD, and Civil 3D
Professional CAD/CAM tools built on Inventor and AutoCAD
Autodesk Support
Dec 3, 2024
Products and versions covered
When trying to start Autodesk 2017-2019 software, the following license error is displayed:
The License manager is not functioning or is improperly installed. <productname> will shut down now.
Note: If the issue appears with versions 2020 or later of Autodesk software, see "The License manager is not functioning or is improperly installed" with Autodesk 2020 and later version.
If this error occurs on the system that has LogMeIn installed, refer to "The License manager is not functioning or is improperly installed" on systems with LogMeIn installed. Otherwise, refer to the following solutions:
Note: Before attempting any of of the solutions below, confirm that the correct account information is being used to sign into the product. Using the incorrect account information will always result in this error.
Note: If the service cannot be started, make sure the Windows profile being used has enough permissions. Consult with an IT administrator if necessary.
Make sure Autodesk software is not restricted from accessing the domains listed in the article: Which URLs/Protocols need to be allowed for Autodesk Subscription Licensing .
When a proxy is used:
AutoCAD will not run if the licensing data file is missing or corrupted.
For 2017 products: C:\ProgramData\Autodesk\CLM\LGS\<Product_Key >_2017.0.0.F
For 2018 products: C:\ProgramData\Autodesk\CLM\LGS\<Product_Key>_2018.0.0.F
For 2019 products: C:\ProgramData\Autodesk\CLM\LGS\<Product_Key>_2019.0.0.F
Note: Replace <Product Key> with the product key for the installed product. This product key can be found in the Autodesk Account.
Save LGS.data and close the text editor.
Note: Verify that the text editor did not save LGS.data with a hidden “.txt” extension. How to turn on hidden files and folders on Windows to be sure that extensions are not hidden.
If the previous solutions don’t solve the problem, try each of the following, one at a time. Test for success before trying the next one.
Follow the steps shown in "Clock Error Check that your system clock is set to the current date and time before you try again" when launching Autodesk software
Make sure that files and folders are not hidden using these instructions.
If the files/folders in bold above have not been created, perform the following steps:
a. Use the Windows Control panel to remove the product.
Note: If licensing errors occur from all Autodesk products, perform a clean uninstall. Make sure to back up the system before performing a clean uninstall.
b. Download the software again using Download.Was this information helpful?
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