If you are using a node-locked license (a license tied to a specific machine), the problem often lies with the local activation and file permissions. This is particularly common on Windows systems.
| Cause Category | Specific Reason | |----------------|----------------| | | License server is down, unreachable, or overloaded. | | Network Problems | Firewall blocks ports (e.g., 1055, 2324 for FlexNet), or VPN/routing issues. | | Environment Variables | Missing or incorrect variables such as ANSYSLMD_LICENSE_FILE , LM_LICENSE_FILE , or PATH to qcc binary. | | Node-Locked vs. Floating Licenses | Trying to run on a node not authorized for the license (e.g., hostname mismatch). | | Outdated License Files | License file expired or does not support the installed software version. | | Missing qcc Executable | The qcc tool (part of the license management utilities) is corrupted or missing. | | User Permissions | Insufficient read/write access to license file or temp directories. | qcc license check failed
Verify the FlexNet Publisher (formerly Flexera) service is running on the server. If you are using a node-locked license (a