Earlier, advanced_meshing used only in 2021 R1 and earlier. When advanced_meshing was not available, Ansys Mechancial Enterprise (ansys) and some other features were used. From 2021 R2, ICEM CFD uses the cfd_preppost license increment by default. But you can change it in the path of ICEM launcher shortcut. Default path is “C:Program FilesANSYS Inc2021R2v212icemcfdwin64_amdbinicemcfd.bat” -p ansys For Ansys Mechancial Enterprise (ansys), I have added ‘-p ansys’ at the end. In place of Ansys Mechancial Enterprise (ansys), we can use other features as well. Here is the list. 1. -p ansys 2. -p mech_2 3. -p mech_1 4. -p preppost 5. -p dyna