Seeing the message in CATIA can bring high-stakes projects to a screeching halt. Whether you are an individual user or managing a fleet of workstations, this error indicates that your CAD software can no longer verify a valid, active entitlement for the product or specific workbench you are trying to use. Why Does This Error Occur?
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 ).
Even if the error pops up, the License Manager window often remains open. View Status: Look at the list of available licenses. Green: More than 30 days until expiration. Orange: Less than 30 days remaining. Red: Already expired. The Expiration Date Of Your License Has Arrived Catia
Go to Tools > Options > General > Licensing to see which configurations are currently requested. Step 2: Troubleshooting Connection Issues
Your annual or multi-year license term has physically ended. Seeing the message in CATIA can bring high-stakes
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.
Use the Managed DSLS Eligibility tool from Dassault Systèmes to check if your workstation can reach the license service. CATIA looks for a file called DSLicSrv
Before assuming you need to buy a new license, verify what CATIA sees: