The Expiration Date Of Your License Has Arrived Catia -

A hardware change (like a new network card or motherboard) has changed your "Computer ID" or "Target ID," making the old license file invalid.

CATIA looks for a file called DSLicSrv.txt located in the hidden folder C:\ProgramData\DassaultSystemes\Licenses . Ensure this file contains the correct server name and port (usually ServerName:4085 ). The Expiration Date Of Your License Has Arrived Catia

Licenses are often "node-locked" to a specific machine's unique ID. If you have recently upgraded your PC or are using a docking station (like a Thunderbolt dock), your Target ID may have shifted. A hardware change (like a new network card