Hardware: Minimum 2GB RAM (8GB recommended) and at least 1GB of free disk space.

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: On Windows, versions 2021 through 2023 specifically require Windows 10 or 11 . How to Install Ansys License Manager 2023 R1 Follow these steps to set up your server correctly: Ansys License Manager Installation

Specify the installation directory (Default: C:\Program Files\Ansys Inc\Shared Files\Licensing ). Click to initiate the installation process. Step 3: Complete Installation Once processing finishes, click Next .

Encountering errors is a standard part of managing any software. The following are some of the most common issues with Ansys Licensing and their solutions.

Extract the ISO or ZIP archive contents to a local directory. Right-click setup.exe and select . Step 2: Navigate the Installation Wizard

: Ansys 2023 R1 only supports 64-bit operating systems for both licensing and client installations. For Windows environments, the officially supported versions include Windows 10 (Pro, Enterprise & Education) and Windows Server 2016/2019. For Linux, supported distributions include Red Hat Enterprise Linux 8.x, CentOS 8.x, and Ubuntu 20.04 LTS. Crucially, it is strongly advised to avoid using Home or Education editions of Windows, as they have been known to cause license service startup failures.

: Return to the LMC and navigate to the "View Status/Start/Stop License Manager" section. The status for all three services should display as "running". This confirms that the Ansys License Manager 2023R1 has been installed and configured successfully.

| Error Message | Description/Cause | Potential Solutions | | :--- | :--- | :--- | | The license server manager (lmgrd) has not been started yet | The license server service is not running. | Restart the license server via the LMC or the Windows Services console. Check for port conflicts (e.g., port 1055) that may be preventing the service from starting. | | Request name [feature] does not exist in the licensing pool | The client cannot communicate with the license server, often due to network issues. | Specify the license server by hostname, not IP address. Add firewall exceptions for the Ansys License Manager (ports 1055 and 2325). If using Shared Web Licensing, note that it is not natively supported in 2023R1, though a workaround may exist. | | Licensed number of users already reached | All available licenses for a particular feature are currently in use. | Wait for a license to become available, or contact your license administrator to check current usage. Monitor usage patterns to better allocate resources. | | ansyslmd: Can't connect to license server system (-15,10032) | A generic connectivity issue, often after a system update or network change. | Verify the license server is running and accessible. Ensure the server is specified by hostname. Check for firewall or antivirus interference. Test the connection using the "Test" button in the licensing settings. | | Cannot connect to license server system. The license server manager (lmgrd) has not been started yet | The license manager service is not running. | Start the "ANSYS, Inc. License Manager" service from the Windows Services management console (services.msc). Ensure the service is set to start automatically. |

Windows 10 and Windows 11 (64-bit Professional/Enterprise).

The license manager will automatically read the keys and restart the license services. 4. Firewall and Network Configurations