Follow these steps in order to resolve the 7502 error code and get CADWorx back online. Step 1: Verify the SPLM Service Status (On the Server)
The Cadworx SPLM error 7502 is a specific error code that occurs in CADWorx, a popular software used for creating intelligent 3D plant models. This error is related to the Smart Plant Model (SPLM) component of CADWorx, which enables users to create and manage 3D models of plant equipment and piping systems.
Firewalls, antivirus programs, or VPNs can block the communication between CADWorx and the SPLM server. This is especially common in enterprise environments with strict security policies. cadworx splm error 7502
On the machine acting as the SPLM license server:
This is a virtual network adapter that is particularly useful for users on a single machine or for troubleshooting physical network issues. Users in forums have reported success with this approach. The Loopback Adapter creates a virtual network interface that is always "up" and available, allowing CADWorx to lock its license request to a consistent, non-changing network address, bypassing issues that can occur with physical or Wi-Fi adapters that may be disabled or experience connectivity changes. Follow these steps in order to resolve the
If the error is accompanied by license seats being "hung" or "time out" on the server, you can clear them using the Scavenge function:
This paper provides a technical examination of CADWorx SPLM (SmartPlant License Manager) Error 7502. This error is a common operational barrier in industrial design environments utilizing Hexagon’s CADWorx Plant Design Suite. It typically indicates a failure in the communication handshake between the client workstation and the SPLM license server. This document analyzes the root causes, dissects the underlying architecture of the SPLM communication protocol, and provides a step-by-step remediation strategy for system administrators and CAD managers. Firewalls, antivirus programs, or VPNs can block the
Network firewalls are blocking communication between your workstation and the server, specifically on the ports used by SPLM.
Ensure that the SPLM executable ( pdslic.exe or splm.exe ) is allowed through the Windows Firewall on both the server and the client machines.
Cadworx SPLM Error 7502 is fundamentally a communication barrier. By systematically checking the service status, network connectivity, firewall ports, and license file validity, you can usually restore functionality relatively quickly. If the issue persists after following these steps, contacting Hexagon Support with your license file and server details is the recommended next course of action.
SPLM communicates over specific TCP/IP ports (commonly port 7502 or a custom-assigned port). If local or network firewalls block this traffic, the license request fails.