Node-locked licenses are tied to specific hardware attributes, such as the MAC address (Ethernet ID) of the host machine. If you replaced your network card, swapped hard drives, or are trying to run the license on a Virtual Machine where the MAC address dynamically changes, the license file will not match the host hardware. The licensing engine sees this discrepancy and rejects the request.
cat $QNX_LICENSE_FILE
Traditionally, QNX used a floating license model via FlexNet (FLEXlm). A centralized license server on your network holds a pool of tokens. Every time a developer runs qcc , the QNX tooling checks out a license token from that server. When compilation finishes, the token is returned. qnx qcc license check failed