Ensure that runflow.exe , gating.exe , and the Autodesk Simulation Job Manager executable are allowed through the Windows Defender Firewall for both private and public networks. 5. Update Graphics Drivers and Change Injection Settings
The following table provides a scannable overview of why this error happens and the most direct action to correct it: Root Cause Diagnostic Indicator Direct Solution Happens right after installing or upgrading versions. Run mlc.exe to reset server details and license level. DNS Resolution Failure Request fails to reach the Network License Manager.
If the configuration is correct, check if the license server is actually serving the licenses. Open the License Manager Tool (LMTools) on the server.
The license server name cannot be resolved.
: If you're on a slow connection (like a VPN), the request might be timing out. Create a system environment variable named FLEXLM_TIMEOUT and set its value to 10000000 (10 million). 4. Linux-Specific Fixes If you are running solvers on a Linux machine:
But what is the best way to fix Error 99998? This article provides the definitive, step-by-step guide to diagnosing, resolving, and preventing this issue permanently.
Ensure the , Level , and Server Name are correct. Apply changes and restart the software. Check Server Connectivity
Ensure the required (typically 2080 and 27000-27009) are open for both inbound and outbound traffic. Adjust Timeout Settings
Here is the definitive guide to resolving Autodesk Moldflow Error 99998 and getting your studies back on track. Check Local System Resources
Do not randomly change settings. Use this guide to attack the root cause, and you will turn Error 99998 from a showstopper into a minor speed bump.
