Autodesk Moldflow Error 99998 Exclusive [top] -
Troubleshooting Autodesk Moldflow Error 99998: Exclusive Access and Analysis Failures
*.lck*.lock*.~lock.*- A hidden folder named
__lock__
The Fix:
Error 99998 Exclusive triggers when Moldflow requests exclusive access but the operating system or network denies it. The study is either already open elsewhere, or a stale lock file remains from a previous crash. autodesk moldflow error 99998 exclusive
- Keep projects on reliable storage with proper file-lock support (avoid syncing folders for active projects).
- Use version control or Moldflow’s shared project workflow rather than multiple users editing the same files simultaneously.
- Regularly clear/rotate temp directories and ensure antivirus exceptions for engineering apps.
- Maintain updated Moldflow builds and license server software.
Confirm that the Insight solver features (e.g., MFIB, MFIP, or MFIA) are listed and not expired. The Fix: Error 99998 Exclusive triggers when Moldflow
Version Mismatch: Using a product key for a different version (e.g., trying to run 2024 with a 2023 key). the issue is network-related.
- Copy the project to a local drive and try opening/starting the run. If it works locally, the issue is network-related.