When you encounter the error message in CATIA, it typically means your current license key has passed its validity date and the software can no longer authenticate your session.
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Receiving an email with the subject line can be a jarring moment for any engineer or designer . Whether you are mid-project or just starting your day, a sudden loss of access to your primary CAD tool is a major bottleneck. The Expiration Date Of Your License Has Arrived Catia
If the license has officially lapsed, you cannot "reactivate" it through the software alone. You must take administrative action: CATIA V5: Understanding Licenses "The Expiration Date Of Your License Has Arrived"
If the list is empty or the checkboxes are greyed out, your machine isn't pulling the license from the DSLicSrv.txt file correctly. 3. Review the Expiry Date If you have access to the DSLS Administration Tool: Open the tab. License ID / serial number Registered account email
Detect when a CATIA license has reached or passed its expiration date, notify the user clearly, and prevent unauthorized usage while preserving work where possible.