Autodesk Moldflow Error 99998 Exclusive May 2026

If you have exhausted all the above fixes and still see , gather the following for Autodesk Technical Support:

Autodesk Moldflow typically indicates that the required license for the solver (Insight) or user interface (Synergy) is either unavailable, currently in use, or not properly configured . Core Meaning autodesk moldflow error 99998 exclusive

The most frequent cause of the "exclusive" error is that another process is preventing Moldflow from writing to its temporary working directory. If you have exhausted all the above fixes

In this guide, we will break down why this happens and how to get your simulations back on track. What Causes Error 99998? What Causes Error 99998

Moldflow simulations, especially 3D Cool or Fill+Pack analyses, generate massive amounts of temporary data. If the drive hosting your runs out of space, the solver will crash with Error 99998. 3. Mesh Integrity Issues

Check permissions and UAC