Solid Edge V20 Selicensedat |top| Link

In the ecosystem of Siemens PLM (now Siemens Digital Industries Software), the SELicense.dat file is the critical "key" that authorizes the use of Solid Edge V20. Released around 2007, Solid Edge V20 remains a significant legacy version for many engineering firms due to its stability and introduction of the Solid Edge Structure Editor.

This article explores the technical role of SELicense.dat, how to configure it, and common troubleshooting steps for V20 users. The Core Function of SELicense.dat

The SELicense.dat file is a text-based document containing encrypted "FEATURE" lines that specify which modules are available for your installation. These modules might include:

Part and Assembly Design: Basic 3D modelling and assembly environments. Drafting: Tools for creating 2D production drawings. Sheet Metal: Specific features for metal fabrication. Simulation: Engineering analysis and validation tools.

The software reads this file upon startup to determine if a valid license exists for the modules being launched. Solid Edge V20 Licensing Types

Solid Edge V20 primarily uses two licensing methods, both of which rely on the SELicense.dat file: Solid Edge Floating Licence set-up

The legacy Solid Edge V20 licensing system relied on a specific file typically named SELicense.dat

to authorize the software's operation. This file contains the encoded permissions and machine-specific identifiers necessary to run the Computer-Aided Design (CAD) suite. The Role of SELicense.dat in Legacy Systems

In version 20 (originally released around 2007–2009), licensing was primarily managed through Node-Locked configurations. Node-Locked Licenses

: These are tied to a specific machine via a unique identifier called the (Solid Edge Composite Host ID). The SELicense.dat

file for these installations is unique to that hardware and cannot be transferred without re-hosting. Floating (Server-Managed) Licenses

: These allow multiple users on a network to share a pool of licenses. The SELicense.dat file is installed on a central server running the FLEXnet License Manager Evolution and Modern Licensing Starting with Solid Edge 2020 , Siemens transitioned to the Common Licensing Toolkit (CLT)

. This modern system aims to unify licensing across different Siemens products like NX and Teamcenter. Compatibility : Modern license files are not backward compatible : Users must now use the Solid Edge License Utility

to browse and select their license file to activate the software. Preservation Challenges

Because Solid Edge V20 is an older "perpetual" version, many users still rely on it for legacy projects. However, maintaining these systems is increasingly difficult due to hardware changes that invalidate the and the sunsetting of support for older operating systems. Solid Edge V20 SP13 - Readme - Siemens solid edge v20 selicensedat

The file selicense.dat is the critical plain-text license file used to activate legacy versions of Solid Edge, such as V20. It contains encrypted feature strings that tell the software which modules (like Part, Assembly, or Draft) are authorized for use on your specific machine or network. Essential Information for V20 Licensing

Legacy Format: Solid Edge V20 (released around 2007) uses the older FLEXnet/FLEXlm licensing system.

Machine-Specific: The selicense.dat file is typically locked to a specific hardware ID, such as a MAC address (Ethernet ID) or a physical USB Dongle.

Placement: For a standalone (node-locked) installation, this file is generally placed in the \Program Files\Solid Edge V20\Program folder.

Version Compatibility: Licenses for modern versions (like Solid Edge 2020/2021) are not backward compatible with V20. You must have a specific V20 license file to run that version. Why You Might Need This "Piece" If you are trying to restore an old V20 installation:

Lost License: You will need to contact an authorized Siemens reseller or check the Siemens Support Center to see if your legacy records still exist.

Hardware Change: If you moved the software to a new computer, the old selicense.dat will no longer work because the hardware ID (CID) has changed.

Modern Alternative: Siemens highly recommends using current versions, such as the Solid Edge Community Edition, which is free for hobbyists and makers and much easier to license on modern Windows systems. Are you attempting to move a license to a new computer, or

Free CAD Software for Hobbyists and Makers - Solid Edge - Siemens

3. Usage Scenarios & Troubleshooting

The selicensedat flag is primarily a diagnostic tool used by System Administrators and CAD Managers. It was critical in V20 because this version marked a transition period where Siemens was moving users toward newer licensing models, causing conflicts for legacy users.

7. Recommendations

If you are seeing SELicensedAt in logs and need to parse it:

  • Use grep "SELicensedAt" lmgrd.log to extract events
  • Convert ISO timestamps to Unix epoch for usage analytics
  • Ignore field if not required for license compliance

2. Overview of Licensing Architecture

Solid Edge V20 typically utilizes a node-locked or floating license management system based on the FLEXnet (formerly FLEXlm) licensing technology, which was standard for EDA and CAD applications in that era.

  • License Manager: The system relies on a license server daemon to manage the distribution of "keys" to client workstations.
  • The License File: The selicense.dat file is the plain-text container that defines the terms, features, and capabilities of the software installation.

2) Preparing the license server (assume a floating license)

  1. Choose server machine (Windows). Ensure TCP/IP connectivity between server and clients.
  2. Install Sentinel/Hardware dongle driver if using dongle. Verify with SEWinDongle.
  3. Install FLEXlm/License Manager:
    • From Solid Edge installation media, run the License Manager/FLEXlm install.
  4. Obtain your Solid Edge license file from Siemens (usually provided by reseller). Save on server (e.g., C:\SEFlex\Program\SELicence.dat).

5. Migration and Legal Considerations

Siemens PLM Software has moved away from the selicense.dat file format in modern versions of Solid Edge (V219 and later), transitioning to the Solid Edge Licensing Wizard and a different backend architecture.

  • Legacy Files: The selicense.dat from V20 cannot be used to license modern versions of the software.
  • **Upgrade

In Solid Edge V20, the SELicense.dat file is the critical component for managing your software license. This file contains the encoded data that authorizes your specific version of Solid Edge to run on your machine or server. Understanding SELicense.dat In the ecosystem of Siemens PLM (now Siemens

File Purpose: It validates your software "seats" and features. For V20 (released around 2007), licenses were typically tied to a specific hardware identifier like a MAC address or a physical dongle.

Default Location: The file is usually stored in the \Program folder within your Solid Edge installation directory (e.g., C:\Program Files\Solid Edge V20\Program). Later versions moved this to a Preferences folder.

File Content: It is a plain text file that can be opened with Notepad to verify its contents. A valid file will contain multiple lines of code starting with keywords like SERVER, DAEMON, or FEATURE. Configuration & Troubleshooting

If you are setting up or fixing a V20 license, follow these key steps:

Environment Variables: Ensure the system variable SE_LICENSE_SERVER is correctly set to point to your license file or server.

Permissions: Verify that you have write access to the folder containing SELicense.dat. If the file doesn't update when you enter license information, Windows permissions might be blocking it.

License Utility: Use the License Utility application (found in the Windows Start menu under the Solid Edge folder) to point the software to your specific .dat file.

Hardware Check: Since V20 is a legacy version, ensure your hardware still matches the "Host ID" listed in the file. If you have changed computers, the old license file will not work without being re-hosted by Siemens Support. Legacy Support Note

Solid Edge V20 is a legacy release from 2007. While still functional for many, Siemens now offers a Free Student Edition and a Community Edition for hobbyists that use more modern licensing methods (like cloud-enabled licenses) and are compatible with current versions of Windows. i need solid edge v20 because of teaching to my students

The file selicense.dat is the critical license file for Solid Edge V20 that contains your activation details, including license type, expiration date, and host ID. Key Functions of selicense.dat

Activation: It is a plain text file required to activate various license types, including "Home Use" and academic licenses.

Storage Location: In older versions like V20, it is typically located in the Program folder of your Solid Edge installation directory. In slightly newer versions (like ST series), it moved to the Preferences folder.

Content: You can open this file with a text editor like Notepad to verify your license info; a valid file should contain multiple lines of data, not just one. How to Manage Your License

Download: Log in to the Siemens Support Center with your WebKey. Under License Management, choose Passwords and License Files to download your specific file. Use grep "SELicensedAt" lmgrd

Activation Utility: To apply the license, use the License Utility (found via Start > All Programs > Solid Edge > Licensing). This tool helps you point the software to your .dat file or your license server.

Floating Licenses: For network setups, you may need to edit the file to include your server's name and ensure ports (like 27999) are open through your firewall.

Important Compatibility Note: Solid Edge V20 is an older version (released around 2007) and may face stability issues on modern operating systems like Windows 10 or 11.

The SELicense.dat file is the essential license definition file for Solid Edge V20. It contains the encryption keys that authorize the software to run, whether you are using a standalone (node-locked) or network (floating) configuration. Core Functionality & Configuration

Purpose: It validates your hardware ID (typically a dongle or MAC address) against the software's features to enable access.

File Format: While it uses a .dat extension, it is a plain text file that can be edited with Notepad.

Default Location: In V20, the file must be placed in the Program directory of your Solid Edge installation folder (e.g., C:\Program Files\Solid Edge V20\Program\). Helpful Tips for Setup & Troubleshooting Problem with Solid Edge License - SIEMENS Community

For Solid Edge V20, the SELicense.dat file is the critical component that contains your license keys and configuration for the software to run. Key Locations for SELicense.dat

Default Path: Typically found in the \Program folder of your installation directory, such as C:\Program Files\Solid Edge V20\Program\.

Alternative Path: In some versions or configurations, it may be located in the Preferences folder. Setup and Configuration

To properly configure or update your license, follow these steps:

Open the License Utility: Access this through Start > All Programs > Solid Edge V20 > Licensing > License Utility.

Point to Your File: Select the option "I have a license file" and browse to the location where you saved your SELicense.dat.

Automatic Copy: The utility will automatically copy the file to the necessary system folder (usually \Program) and rename it if needed. Floating vs. Node-Locked Licenses

Let me break down what you might be referring to, and then I’ll provide a structured report based on likely interpretations.

4.2 Operating System Compatibility

Solid Edge V20 was designed for Windows XP and early Windows Vista.

  • Compatibility: Running V20 on Windows 10/11 often requires the license file to be placed in a directory where the user has full read/write permissions (e.g., avoiding Program Files restrictions), or running the application in "Compatibility Mode."

7) Common troubleshooting

  • Clients report “license not available” or “no server”:
    • Verify server name/IP reachable (ping, telnet to port).
    • Check Windows Firewall: allow lmgrd.exe and vendor daemon in Exceptions or open configured ports.
    • Ensure lmgrd and vendor daemon are running on server.
    • Confirm SELicense.dat on clients points to correct server hostname (use IP if DNS issues).
  • Dongle not detected:
    • Reinstall Sentinel drivers; run SEWinDongle to verify.
    • Check USB port and cable.
  • License counts/expires mismatches:
    • Open SELicense.dat in Notepad; verify feature lines and expiry dates.
    • Contact reseller/Siemens to get corrected license file.
  • lmtools log errors:
    • Inspect debug log specified in lmtools for precise error strings and Google or provide to Siemens support.