Option 5: Recreate the licensing data fileĪutoCAD will not run if the licensing data file is missing or corrupted.

Run as administrator by right-clicking the product icon, choose Run As Administrator, and see whether the product runs as expected.

What user permissions does AutoCAD require?

Increase permissions to folders used by Autodesk software by adding the user and providing full control to the registry keys and folders listed in the article.

Click OK a couple of times to exit Internet Properties dialog window.

Scroll down to see Script ActiveX control marked safe for scripting*, and enable it.

Scroll down the Security Setting list to Run ActiveX controls and plug-ins, and enable it.

Select Security tab and click on Custom level.

In Windows Search box type Internet Options and hit Enter.

Option 3: Verify that Active X controls are enabled

If Proxy requires authentication: enter Proxy and Credentials in Autodesk Desktop App.

Check Internet Option (in Internet Explorer) for 'Automatically detect settings' is turned off or turn on Automatically detect settings and Use a proxy server.' Then enter the Proxy IP-Address + Port.

Make sure Autodesk software is not restricted from accessing the domains listed in the article: Which URLs/Protocols need to be white listed for Autodesk Subscription Licenses. Note: If AutoCAD version is 2018 is being used, install the Autodesk License Service (圆4) - 5.1.5 Hotfix installation.

To change the status of the service to 'Running', right-click its empty Status cell and select Start from the context menu.

In the Properties dialog, use the drop-down menu to change Startup Type to 'Automatic' and click OK.

Consult with an IT administrator if necessary. Note: If the service cannot be started, make sure the Windows profile being used has enough permissions.

In the Startup Type column, right-click 'Manual' and select 'Properties'.

If the above mentioned service is not running, go to step 4.

If the above mentioned service is running, close the Services console window and go to Solution 2.

In the Name column of the Services console window, find FlexNet Licensing 64 and check whether its status is 'Running'.

Click Start (or right-click Start on Windows 10) and choose Run.

Option 1: Check whether the FlexNet Licensing Service is running for versions 2017 to 2019 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.

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