If the error persists despite correct network settings, the client may be reading stale configuration data from the Windows Registry.
Procedure:
If you see "License file has been corrupted", your local license token is damaged. Aspen Hysys License Checkout Failed
Not all "Checkout Failed" errors are equal. Your specific error message (check the Details button) tells you the root cause. If the error persists despite correct network settings,
| Error Message Subtext | Likely Cause | | :--- | :--- | | "No such feature exists" | Wrong license file or product version mismatch. | | "Cannot connect to license server" | Network issue, firewall blocking port, or server down. | | "License server machine is down or not responding" | DNS resolution failure. | | "All licenses are in use" | No concurrent seats available. | | "The license file has been corrupted" | Corrupted local trust cache. | | "User/host not authorized" | User is not in the license server's inclusion list. | Your specific error message (check the Details button)
Let’s fix each of these.