HKEY_LOCAL_MACHINE\SOFTWARE\FLEXlm License Manager
If you encounter issues with a network license, it is often due to the Windows Firewall blocking the sedemon.exe processes on the server. SIEMENS Community Common Setup Steps Placement: Always place the SELicense.dat file in the C:\Program Files\Solid Edge V20\Program Activation: License Wizard
Legacy licensing systems can conflict with Windows DEP. You may need to add edge.exe to the DEP exception list under Windows Advanced System Settings. 4. Check FLEXlm Server Status (For Floating Licenses) If your organization uses a concurrent network license: Open the file selicense.dat in Notepad.
Check for file extension hiding. Windows sometimes renames the file to SELicense.dat.txt . If you see .txt at the end, turn on "File name extensions" in Windows File Explorer and delete the .txt suffix. 2. Run the License Utility
: It is a plain text file required to activate various license types, including "Home Use" and academic licenses. solid edge v20 selicensedat
However, (released ~2007) is a legacy version from before Siemens moved to the current "Solid Edge 202X" naming. Licensing for v20 typically used:
Solid Edge V20 introduced a refined "License Borrowing" feature for floating licenses, allowing a user to take a license offline for a set period. If the borrowing mechanism failed (e.g., corrupt trusted storage), the selicensedat command would attempt to reset or validate the borrowing status by re-reading the source file.
Solid Edge V20 operated on a licensing framework that required the selicense.dat file to be properly placed within the software's installation directory. Specifically, the file needed to be copied into the Program subfolder located under the Solid Edge installation path (e.g., Solid Edge V20\Program ). Once in place, the software could verify the license and grant full access to its features.
: For a standalone (node-locked) installation, this file is generally placed in the \Program Files\Solid Edge V20\Program folder. Windows sometimes renames the file to SELicense
Solid Edge V20 includes a built-in tool to map the software to your license file automatically. Go to your Windows Start Menu.
Whether you are a longtime user returning to Solid Edge V20 or a newcomer exploring this significant piece of CAD history, mastering the licensing process is the first step toward harnessing the software's considerable capabilities.
: 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
The SELicense.dat is tied to a specific machine's Composite ID (CID) or Disk Serial Number. It resides locally on that machine. SERVER server_name ANY 28000 ).
: 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.
The selicense.dat file is the fundamental security mechanism for legacy software versions like Solid Edge V20. It contains alphanumeric text strings issued by Siemens (formerly UGS) that match encrypted keys against specific physical hardware or server identities.
For academic institutions and educational environments, specialized licensing arrangements existed. The academic version of Solid Edge V20 required specific licensing configurations that differed from commercial installations, often using distinct selicense.dat files tailored for educational use.
Solid Edge includes a License Utility (found in the Start Menu under the Solid Edge V20 folder). This tool is the preferred way to point the software to a new license file or a license server without manually digging through folders. Node-Locked vs. Floating:
Look at the top line to identify the server name or IP address (e.g., SERVER server_name ANY 28000 ). Ensure the host client machine can ping the license server.