SELicense.dat is the license configuration file used by Solid Edge V20
to manage software authorization and user access. It acts as the "key" that tells the software which features are active and whether you are using a standalone (node-locked) or networked (floating) license. Key Functions of SELicense.dat Authorization
: It contains encrypted strings (license keys) that validate your legal right to use the software. Feature Management
: It defines which specific modules are available, such as Part Modeling, Assembly, or Drafting. Server Routing solid edge v20 selicensedat
: For floating licenses, this file points the client computer to the
license server by specifying the server's hostname and port number. Common Locations
In a standard installation of Solid Edge V20, you can typically find or place this file in the following directory: C:\Program Files\Solid Edge V20\Program\ Troubleshooting Common Issues "Cannot find license file" : This usually means the file is missing from the folder or the SELMD_LICENSE_FILE environment variable is pointing to the wrong path. Editing the File : While you can open SELicense
files with Notepad to check the server name or your CID (Composite ID),
edit the encrypted hex codes. Doing so will corrupt the license and prevent the software from launching. Updating Licenses
: If you upgrade your hardware or renew your subscription, you must replace the old SELicense.dat SERVER Line: Specifies the host ID (MAC address)
with the new version provided by Siemens (or your reseller).
Subject: Technical Report on Solid Edge V20 Licensing Mechanism (selicense.dat)
Some old Solid Edge v20 academic or evaluation versions used a self-licensing mechanism where a license.dat was generated locally without a server. This is rare for commercial v20.
The file is human-readable (ASCII text) and follows a specific syntax recognized by the FLEXnet licensing daemon. A typical entry structure includes:
SERVER <hostname> <hostid> <port>se_g.exe or similar for Solid Edge).SE_SOLID_EDGE, SE_DRAFTING, SE_ASSEMBLY).V20.0).Because Solid Edge V20 is a legacy product (released circa 2007), organizations still running it often encounter specific environmental issues.