Autodesk Moldflow Error 99998 Exclusive

The absolute first line of defense is manually forcing the local installation to align with your organization’s license server configurations. : Close all open instances of Moldflow Synergy .

: Running both a workstation and a thin client installation on the same Linux machine is a known cause of Error 99998. Uninstall the version you do not need.

: Sort all active processes by name and locate any rogue simulation solver entries. Look explicitly for: flow.exe (Flow calculations) cool.exe (Cooling layout analysis) warp.exe (Deflection and warpage) mhb3d.exe (3D meshing/solving tasks)

Right-click on the Moldflow shortcut (both Launcher and Solver) → → Compatibility → Check "Run this program as an administrator." Do this for:

Ensure the LICPATH.lic file in the Moldflow installation folder points to the correct server. 4. Re-configure the License Utility autodesk moldflow error 99998 exclusive

Open the Windows Start Menu and find your version under .

Moldflow solvers spin up localized background processes ( runstudy.exe ). If these processes lack administrative write permissions to the temporary directory, they crash under Error 99998.

: Open the Moldflow License Configuration tool (search for "License Configuration" in the Windows Start menu or run mlc.exe from the product's bin folder) to verify the license level and server name are correct. Common Causes & Solutions

While your user interface may launch flawlessly, the solver will fail and throw Error 99998 if it cannot independently communicate with your Network License Manager (NLM) or Autodesk Account credentials. Core Causes of Error 99998 The absolute first line of defense is manually

: The Simulation Compute Manager (SCM) times out before validating tokens with the Autodesk Licensing Service. Step-by-Step Solutions for Windows Systems 1. Run the Moldflow License Configuration Utility

The current subscription or network license file has reached its expiration date. Standard Troubleshooting Steps

Error 99998 is rarely a single-issue problem. The root cause varies by operating system, installation method, and licensing model. The table below breaks down the main causes for each scenario:

If you are trying to use a license that another user has locked in an "exclusive" mode. Uninstall the version you do not need

Restart Moldflow. It will regenerate fresh cache files. This often resolves phantom license locks.

It is .

In Moldflow, certain operations—particularly , Flow-Pack-Warp (FPW) simultaneous solves, or Fiber Orientation analysis—require an exclusive license. This means:

In some multi-stage simulations, the filling and packing phases complete successfully, but the simulation fails completely right before the warp analysis begins. Root Causes of the Error 1. Incomplete or Mismatched License Configuration

Navigate to HKEY_CURRENT_USER\Software\FLEXlm License Manager and check the ADSKFLEX_LICENSE_FILE key.