License Checkout Failed — Aspen Hysys

: If your institution uses a token-based system, all available licenses may be in use by other users. Try waiting or asking colleagues to close unused sessions. Troubleshooting Steps Summary Potential Resolution Verify Network Ensure VPN or LAN connection to the server is active. Check SLM Status

The computer cannot reach the license server due to network issues, incorrect IP/hostname settings, or being disconnected from a required VPN/campus network. Aspen Hysys License Checkout Failed

Unable to checkout a license for Aspen HYSYS. : If your institution uses a token-based system,