Aspen Hysys License Checkout Failed Jun 2026

Ensure the status is . If it is stopped, right-click and select Start . 3. Review Environment Variables

Confirm that the available token count has not reached its maximum limit by other network users. Summary Troubleshooting Checklist Action Item Target Location Ping the license server host 2 Update SLM Wizard server path 3 Set LSHOST environment variable 4 Open Ports 5093 and 5099 Firewall Settings 5 Restart Sentinel RMS Service License Server 6 Verify token expiration in WlmAdmin License Server If you want to troubleshoot further, tell me:

C:\Program Files (x86)\Common Files\SafeNet Sentinel\Sentinel RMS License Manager\WinNT Reset Tool: WlmAdmin.exe . Some users find success by renaming it to WlmAdmin.exe.old and then reverting it, or simply running it as Administrator Check Subnet Servers: WlmAdmin.exe Subnet Servers , and ensure your computer name is listed. 🌐 Step 4: Network and Connection Fixes Aspen Hysys License Checkout Failed

The error stems from communication breakdowns between HYSYS and the licensing system. Common triggers include:

If these steps do not resolve the issue, you can search for technical tips and submit support tickets through the AspenTech Support Center University of Alberta Ensure the status is

Edit the Sentinel configuration file to automatically reclaim seats from inactive users after a set period of idling. To help narrow down your specific issue, please tell me:

| Error Code | Description | Typical Cause | |:-----------|:------------|:--------------| | Code 18 | “The license for this product or feature could not be found” | License file missing, incorrect license server configuration, or SLM pointing to wrong license source | | Code 5 | “Network license server is not running on the specified machine” | License server is down, unreachable, or firewall is blocking communication | | Code 26 | “This license is currently disabled due to an inconsistency in the computer‘s system clock” | System date/time is incorrectly set or has been modified after license installation | | Code 96/86 | “License file invalid or signature error” | Corrupted license file or license generated on a different machine | | Code 97/5 | “Server hostname/IP mismatch” | License file contains incorrect SERVER hostname or IP address information | 🌐 Step 4: Network and Connection Fixes The

Incorrect Configuration: If the SLM (Software License Manager) on your local machine is pointing to the wrong server address or using an outdated protocol, it won't find the available keys.

为了清晰明了地引导您完成诊断过程，我们在此提供一个系统化的故障排除流程图。请从上至下，按照步骤进行排查。

Remember the golden rule: It says "License Checkout Failed," but the truth is usually "The License Server said 'Hello' and then hung up."

: 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