Abaqus License Server: Core Concepts and Configuration Guide
The Abaqus License Server is a critical component for legally running Abaqus software, managing license distribution for commercial users. It enables multiple client machines to share a pool of licenses hosted on a central server, ensuring efficient resource utilization. Below is a structured guide covering key aspects of Abqus license servers, including setup, configuration, troubleshooting, and version-specific notes.
1. What is an Abaqus License Server?An Abaqus License Server is a centralized system that stores and distributes licenses for Abaqus products (e.g., Abaqus/CAE, Abaqus/Standard). It uses the FLEXnet licensing protocol to authenticate and allocate licenses to client machines. Without a properly configured license server, Abqus software cannot launch or run simulations.
Key components of the license server ecosystem include:
License File (ABAQUS.lic): Contains license terms, authorized features (e.g., "cae" for Abaqus/CAE), and server identification.
LMGRD Daemon: Manages license requests from clients and ensures compliance with license terms.
Host ID: A unique identifier for the license server machine (e.g., MAC address, hostname), used to bind licenses to the server.
2. Setting Up an Abqus License ServerSetting up a license server involves three main steps: installing license utilities, configuring the license file, and starting the LMGRD service.
Step 1: Install License Utilities
During Abqus product installation, select the "Just install licensing utilities" option (instead of full product installation). This installs essential tools like lmgrd.exe (license manager daemon) and lmtools.exe (license management utility). For versions 6.12+, you can skip installing the full product for initial license setup.
Step 2: Configure the License File
The ABAQUS.lic file is the heart of the license server. To configure it:
Open the abaqus.lic file (located in the license folder, e.g., C:\SIMULIA\License or D:\SIMULIA\License).
Modify the first line to include your host ID (replacing
and 112233445566 with your machine’s details):SERVER ANY
Save the file and copy it to the license folder.
Step 3: Start the LMGRD Service
Use lmtools.exe (found in the license folder) to start the license service:
Open lmtools.exe and go to the Config Services tab.
Click "Browse" next to "lmgrd.exe" (select the executable from the license folder).
Do the same for "ABAQUS.lic" and "ABAQUS.log" (log file for tracking license activity).
Check "Use Service" and "Start Server at Power Up", then click "Save Service".
Switch to the Start/Stop/Reread tab and click "Start Server". A "Server Start Successful" message confirms the service is running.
3. Configuring Client Machines to Use the License Server
Once the license server is running, client machines need to be configured to connect to it. This involves two key steps:
Step 1: Set Environment Variables
Create or edit the abaqus_v6.env file (located in the Abqus installation directory, e.g., C:\SIMULIA\Abaqus\6.14-1\SMA\site or ~/SIMULIA/Abaqus/6.14-1/SMA/site for Linux). Add the following line to specify the license server:
abaquslm_license_file="27011@"
Replace 27011 with the port number specified in your ABAQUS.lic file (common ports: 27000–27011) and with the hostname or IP address of the license server.
Step 2: Verify Connection
Launch Abqus CAE and check for license-related errors. If the connection fails, use lmgrd.exe (on the server) to verify the server is running and lmutil.exe (on the client) to test the connection:
lmutil lmgrd -c 27011@
This command should return "License server status: Ready".
4. Version-Specific Notes
Different Abqus versions have unique license server requirements:
Versions 6.8–6.10: Use port 27003 by default. For example, the license string is 27003@.
Versions 6.11–6.13: Use port 27011 by default. No major changes to the setup process.
Version 6.14+: Retains the 27011 port but adds support for newer operating systems (e.g., Windows 10/11, Linux Ubuntu 20.04+). The setup process remains consistent with earlier versions.
5. Troubleshooting Common Issues
License server problems are a frequent cause of Abqus startup failures. Here are solutions to common issues:
Issue 1: "FlexNet Licensing error:-15,10" (Connection Refused)
Cause: LMGRD service is not running or the port is blocked.
Solution: Restart the LMGRD service via lmtools.exe or Windows Services. Ensure port 27011 (or your custom port) is open in your firewall.
Issue 2: "No socket connection to license server manager"
Cause: Incorrect abaquslm_license_file path or host name.
Solution: Verify the abaqus_v6.env file has the correct license server string. Ensure the hostname matches the server’s actual name (use hostname command on Windows/Linux).
Issue 3: License File Not Found
Cause: ABAQUS.lic is not in the correct directory or the path is misspecified.
Solution: Copy ABAQUS.lic to the license folder (e.g., C:\SIMULIA\License) and ensure the path in abaqus_v6.env is accurate.
By following these guidelines, you can successfully set up and maintain an Abqus License Server, ensuring uninterrupted access to Abqus software for your team or organization.