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In the Variable Name box, enter ADSKFLEX_LICENSE_FILE.In the System Properties dialog box, click the Advanced tab.
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On the Start menu (Windows), click Settings > Control Panel.Set an environment variable to specify one or more license servers for your Autodesk products:.Here are the blogs referencing all the Product keys: Delete the product key for the software found in the C:\ProgramData\Autodesk\CLM\LGS folder.Delete everything in the C:\ProgramData\Autodesk\ADUT.Delete everything in the C:\ProgramData\FLEXnet folder.Delete the cascadeinfo.cas in the C:\ProgramData\Autodesk\ADLM folder.Delete as much as you can in the C:\Users\your user profile folder\AppData\Local\Temp folder.Delete everything in the C:\Users\userfolder\AppData\Local\Autodesk\Adlm folder.Delete everything in the C:\Users\userfolder\AppData\Roaming\Autodesk\ADUT folder.Delete files assocated with the Autodesk licensing:.If you have Revit install as a network or standalone and for some unknown reason when you launch your software you instantly go into trial mode you will need to do the following to resolve the issue.
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