: All available network floating seats are actively running other simulations.
If none of the above steps resolve the issue, it might be time to contact Autodesk's technical support.
Last updated: October 2025. This guide applies to Autodesk Moldflow Insight 2023, 2024, and 2025.
The is not a fatal flaw in the software; rather, it is a guardrail that prevents data corruption from simultaneous access. However, when that guardrail malfunctions due to stale locks, network hiccups, or permission issues, it brings productivity to a halt. autodesk moldflow error 99998 exclusive
The solver needs unhindered access to local ports to pass data between the user interface (Synergy) and the computation engine (Insight).
No service restart is required; changes take effect immediately for each new analysis.
Replace @server with the hostname of the server running the FlexLM service. If using a non-default port, use port@server (e.g., 27555@myserver ). : All available network floating seats are actively
: Ensure that your firewall or antivirus is not blocking the license request. For Named User (Sign-in) licensing, the computer must have unrestricted access to api.autodesk.com on port 443 .
Open the and navigate to your Moldflow Insight folder.
Add an explicit exclusion rule in your Antivirus/Windows Defender settings for the entire Autodesk installation folder: C:\Program Files\Autodesk\Moldflow Insight 20XX\ This guide applies to Autodesk Moldflow Insight 2023,
Navigate to the following directory on your machine: C:\Users\ \AppData\Local\Autodesk\Web Services Locate the file named and delete it.
Right-click on the Moldflow shortcut (both Launcher and Solver) → → Compatibility → Check "Run this program as an administrator." Do this for:
Moldflow Insight Ultimate – ERROR 99998 when running batch from Command Shell (runstudy) ... I'm using Moldflow Insight Ultimate ( Autodesk Community, Autodesk Forums, Autodesk Forum
Navigate to your project folder and delete any .tmp , .wrk , or .lck files. Restart the analysis. Step 3: Check Mesh Quality Perform a check. Look for: Overlapping elements. Zero-area or zero-volume elements.