Aspen HYSYS will not open unless it can communicate with a license server. You usually install the Aspen Licensing Server first.
A successful install is useless if the software crashes upon opening. how to install aspen hysys v12 better
5.1 Enabling High-Performance Graphics HYSYS v12 utilizes the GPU for flowsheet rendering. Aspen HYSYS will not open unless it can
5.2 Initializing Excel Add-Ins To ensure Excel integration works: Once the Licensing Server is installed, ensure the
5.3 The "Simulation Workbook" Bug Fix In v12, there is a known issue where the Simulation Workbook toolbar does not appear in Excel. To fix this "post-install," run a repair on the "Aspen Simulation Workbook" specifically via the Control Panel, rather than repairing the entire HYSYS suite.
| Component | Minimum | Recommended | |-----------|---------|--------------| | CPU | 2.5 GHz, 4 cores | 3.5+ GHz, 8 cores (high single-thread speed) | | RAM | 16 GB | 32–64 GB | | Storage | 50 GB free SSD | 100 GB NVMe SSD | | OS | Win10 Pro 20H2+ | Win11 Pro / Server 2022 | | Screen | 1920x1080 | Dual monitors, 1920x1200 |