The date and time on your local workstation do not match the date and time on the license server, triggering a security lockout.
Open the DSLS License Management tool on your machine to verify the status of your active license file.
Open your (found under Tools > Options > General > Licensing ).
If you are a mechanical engineer, automotive designer, or aerospace professional, seeing your CAD software grind to a halt can stall an entire pipeline. One of the most common and disruptive errors encountered by users of Dassault Systèmes’ flagship software is the dreaded popup: The Expiration Date Of Your License Has Arrived Catia
The Expiration Date of Your License Has Arrived: Navigating CATIA Licensing Issues
For network concurrent licenses, the local client machine might have lost track of the server. Go to C:\ProgramData\DassaultSystemes\Licenses . Open the DSLicSrv.txt file using Notepad.
When you purchase a CATIA license, it is typically valid for a specific period of time, usually one year. During this time, you have access to the software and any updates or new features that are released. However, when the expiration date arrives, your access to the software and its features may be limited or even terminated. This can be a problem if you rely on CATIA for critical design and engineering work. The date and time on your local workstation
If you believe your license should still be valid, try these troubleshooting steps: Clear CATSettings : Close CATIA and navigate to C:\Users\user\AppData\Roaming\DassaultSystemes\CATSettings . Rename the CATSettings CATSettings.old and restart the software to reset licensing information. Check the License Manager Launch CATIA and wait for the License Manager dialog to appear. Ensure valid configurations (like EX2+CPE+CPM ) are checked.
If the license has truly expired, troubleshooting won't work—you need to renew.
CATIA licenses are not typically "forever" licenses. They are managed through or License Management (LUM) , which often require renewal, activation, or check-in/check-out for nodes. If you are a mechanical engineer, automotive designer,
If you have urgent work, try these steps in order to restore functionality. A. Check Your System Clock
: The local license registration files or system registry paths have become corrupted. Step-by-Step Troubleshooting Guide