Verify that the necessary ports for SPLM (typically TCP ports like 5052 or those specified in your setup) are open through any corporate firewalls.
To verify if the server is actually listening on the port:
This article provides a deep dive into what causes this error, how to diagnose it, and the step-by-step solutions to resolve it in 2026. What is CADWorx SPLM Error 7502?
Enter the exact or static IP address of your organization's primary license server. cadworx splm error 7502
Ensure that the core executable ( pds.exe or license daemon processes) is whitelisted within corporate anti-malware systems. 4. Restart the SPLM License Service
Move to the supported Smart Licensing platform for long-term stability.
If you've exhausted all solutions and the error persists, consulting the official documentation in your SPLM installation directory (usually under /docs ) may reveal additional error-specific insights. For further assistance, the Hexagon support portal and community forums like meng.horse and mahoupao.net offer active discussions from users who have encountered—and solved—the exact same issue. Verify that the necessary ports for SPLM (typically
Yes. VPNs can interfere with local license server communication. Either configure SPLM to use the VPN's IP address as the license server or disconnect from the VPN when using CADWorx.
Running an older version of CADWorx with an obsolete SPLM framework can cause software mismatches. Hexagon PPM completely discontinued license key generation for legacy SmartPlant License Manager systems, meaning unmaintained legacy systems are highly prone to validation failures.
Scroll down to find (or SmartPlant License Manager ). Enter the exact or static IP address of
The Windows Firewall or an external security suite is blocking the SPLM network port.
SPLM typically communicates over specific ports that must be open for inbound and outbound traffic. Verify that (default) is open.
The licensing software was not installed or set up prior to running CADWorx. Step-by-Step Solutions to Fix Error 7502 1. Configure the SPLM Client