Use the to configure the correct Server Name or IP address. Ensure "Add Server" is clicked and changes are applied. Missing 'ls_host' Variable
Verify that the expiration date for the specific Hysys tokens is in the future.
Before diving into the fixes, it helps to understand why this error happens. The most frequent culprits include: Aspen Hysys License Checkout Failed
Follow these steps in sequential order, moving from the most basic client-side checks to advanced network and server-level administration fixes. Step 1: Verify License Availability via SLM Tools
Your IT admin must edit the license file: Use the to configure the correct Server Name or IP address
If your organization uses a concurrent network license, your computer must have an active connection to the licensing server. Open the on your local machine. Type ping [Server_Name_or_IP] and press Enter.
If the ping fails, you have a network connectivity issue. Verify your VPN connection or local network cables. Before diving into the fixes, it helps to
Expand the tree and locate your license server.
Is this happening to or multiple users across your network?
Troubleshooting "Aspen Hysys License Checkout Failed" Errors
对于企业用户而言,许可证管理更为复杂。网络版许可需要一台或多台许可证服务器,集中管理供所有用户使用的许可证池。