Aspen Hysys License Checkout Failed 🌟

If you are using a standalone (node-locked) license or if your company’s annual maintenance has lapsed, the license file itself may have expired.

: If the license server isn't found, you may need to manually point the software to it: Right-click My Computer Properties Advanced system settings Environment Variables System variables , create a variable named Aspen Hysys License Checkout Failed

If HYSYS cannot "see" your server name, you can force it to look in the right place by adding a system environment variable. Right-click My Computer and select Properties Advanced system settings Environment Variables System variables Variable name: (some versions may require Variable value: If you are using a standalone (node-locked) license

If the button is grayed out, you have a stale borrowed license. You must manually delete the borrowed license files, typically found in C:\Users\[YourUserName]\AppData\Local\AspenTech\ (Look for .borrow files). You must manually delete the borrowed license files,

ERROR: Failed to checkout license for product 'Aspen HYSYS'. Return code: -15 Feature: HYSYS_Process License path: 27000@licserver;@localhost; FLEXnet Licensing error: -15, 10. System Error: 10061 "Winsock: Connection refused"