I have twice applied for a license via the Legacy License Generator by indicating the NIC of my machine. The 2 requests failed :
There is an issue in generating the license for this provided NIC/Host ID.
Please check your NIC/Host ID and try again. If you still encounter problems, please contact our customer support.
1 avenue des temps modernes
86360 CHASSENEUIL DU POITOU FRANCE
Email : email@example.com
Please go through the below old thread & try again,
if you still face any issue please provide the screenshot.