Using empirical data, the 3 products that have historically required IPv6 NLM [Network License Manager] are:
- Autodesk Inventor
- Autodesk Vault
- Autodesk Simulation CFD
In this licensing scenario, the user had Product Design Suite and all the products were working except for Autodesk Inventor, we just swapped out the IPv4 versions of NLM with the IPv6 version and all the products in the Suite worked perfectly.
Just follow Step 7 via this blog post for an awesome workflow of swapping the lmtools.exe, adskflex.exe, lmgrd.exe, lmutil.exe: