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Autodesk 3D Max 2013 – Error 20 License failed to check out Fix

    Categories: How To

If you are getting Error 20 – License failed to check out while installing 3D max this guide will help you fix the issue.

This could be caused by a bug in the program. In order to fix 3D Max Error 20 there are two set of steps that need to be followed.

How to Fix Autodesk 3D Max – Error 20 License failed to check out

Open the following directory in explorer “C:\> ProgramData\> FLEXnet
Delete the file in that folder
Restart Autodesk 3D Max

Error 20 for 3D Max can also be caused if the FlexNet Publisher Service is not installed or started. To correct the service status of Flexnet follow these steps

Click start and type “services.msc
Look for the Flexnet Licensing Service and double click on it
Change the startup type for this service from Manual to Automatic
You can also right click and choose Start to be extra sure the service is running.
Start 3D Max and you will no longer see Error 20 or Error 21.

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Autodesk 3D Max 2013 – Error 20 License failed to check out Fix
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Alfred M: Alfred is a Pilot & Tech blogger from Bangalore, India. He has worked with DSL providers like AOL, SBC, Verizon & Covad as a tech specialist. Currently he is pursuing a career in aviation.