The license setup was never completed on the local machine. Solutions for Moldflow Error 99998 Follow these troubleshooting steps to resolve the error. 1. Check License Server Status (For Network Licenses)
The error log mentioned a "Partition file." Moldflow, during a dual-domain or 3D analysis, slices the model into millions of tiny tetrahedra (pyramids). Sometimes, during the packing phase, the pressure equations become unstable at specific nodes. If the calculation produces an impossible number—
Autodesk Moldflow is a powerful simulation tool for plastic injection molding, but like any complex software, it can occasionally throw cryptic errors. One such frustrating issue is , often accompanied by a message indicating a "general solver failure" or "unexpected termination." This error typically appears during the analysis phase, halting your simulation and disrupting project timelines.
This information is based on Autodesk support articles as of May 26, 2026.
Remember: Moldflow is telling you that it failed outside of its own error-handling logic. Listen to what your operating system is doing at the moment of failure. Use Windows Event Viewer (look for "Application Error" or "Faulting module name") to pinpoint the exact system-level crash. Armed with this guide, Error 99998 will no longer be a showstopper but a solvable puzzle.
Verify that the Linux machine has unrestricted access to required URLs if using Named User licensing User Perspectives
Complex 3D meshes require massive amounts of memory. If your RAM fills up and your Windows pagefile is too small or restricted, Moldflow will crash with Error 99998. Open Windows .
Elements with excessively high aspect ratios distort the mathematical matrices during calculation.
Uncheck "Automatically manage paging file size for all drives."
Firewalls often block the connection. Ensure ports 2080 and 27000-27009 are open for inbound and outbound traffic.
: The solver level specified in your local settings (Standard, Premium, Ultimate) does not match the active seats available on your Network License Manager (NLM).
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