Qcc License Check Failed ((new)) -

Verify that your firewall is not blocking TCP port 27000 or other ports required by the license daemon. Debugging Floating License (flexnet ... - Knowledge Base

On Windows and Linux, software finds licenses via variables like LM_LICENSE_FILE or QCC_LICENSE_FILE . If this variable points to a deleted folder, a wrong port (e.g., 27000@server instead of 27001@server ), or a dead IP address, the license check fails.

If you have admin rights to the license server: qcc license check failed

When confronted with this error, a systematic approach is far more effective than random trial and error. Follow this structured plan to diagnose the issue.

Before diving into solutions, it's critical to understand that the acronym "QCC" is overloaded in the engineering world. The error message you see can be traced back to two primary sources: Verify that your firewall is not blocking TCP

If you have a local license or the floating license steps didn't yield a FlexNet-specific error message (like "-1,359. System Error: 2"), the issue is likely with the local activation on your machine. This is especially common on Windows platforms.

Understanding why the check failed is the first step toward a fix. Common causes include: If this variable points to a deleted folder, a wrong port (e

Follow this diagnostic flowchart exactly. It resolves 95% of "QCC License Check Failed" errors.