How to turn on hidden files and folders on Windows to be sure that extensions are not hidden. Note: Verify that the text editor did not save LGS.data with a hidden “.txt” extension. Replace ServerName with the license server name or its IP address. LICPATH.lic file content is as following format. Note: If a network license is being used, create LICPATH.lic file in the same folder.
_USER (if the license is based on a specific Autodesk ID and does not have a serial number) _NETWORK (if a Multi-User license is used) _STANDALONE (if the product license has a serial number)
Note: If AutoCAD version is 2018 is being used, install the Autodesk License Service (圆4) - 5.1.5 Hotfix installation.
Using the incorrect account information will always result in the error. Note: before attempting any of of the solutions below, confirm that the correct account information are being used to sign into the product. Otherwise, refer to the following solutions: 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.