Error 99998 Exclusive ((top)) — Autodesk Moldflow

If you see 99998, do not change folder security settings. You need to find what is holding the lock, not grant more access.

Confirm your operating system version is included in the supported platforms list in the Moldflow online help. Unsupported OS versions can cause licensing failures.

If your simulation fails after a long pause, your computer is likely timing out before receiving a response from the license server. Extending this window allows slower networks to clear the request. autodesk moldflow error 99998 exclusive

Create a daily scheduled task that runs: lmutil lmstat -a > C:\Logs\moldflow_license.log Review for signs of hung licenses before they cascade into error 99998.

This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. If you see 99998, do not change folder security settings

: When installing multiple versions (e.g., 2021 and 2023), install them in order from oldest to newest, and ensure each has its own unique folder. Overwriting a previous install (especially one from 2019) can corrupt configuration files like mfclient.env .

FLEXlm stores license borrow information in local cache files (e.g., debug.log , license.lic cache). If these files become corrupted—often after a forced shutdown or system crash—Moldflow may think it already has an exclusive license (false positive) and refuse to acquire a new one, or conversely, think it has no permission at all. Unsupported OS versions can cause licensing failures

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If the project resides on a NAS:

[Windows Start] ➔ [Moldflow Insight 202X] ➔ [License Configuration] ➔ Select Level & Server 2. Address License Server Name and Registry Issues

If you travel or have unstable networks: