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How to Check the License Server Status

In this tutorial you will learn how to:


The MCalibration software is typically using a node-locked license, and the PolyUMod library is typically using a floating license. The following sections will show two easy ways to determine what license types are used and when the license expires.

Method 1: Examine the License File

On a Windows computer the MCalibration license file is typically located here: C:\Program Files\PolymerFEM\MCalibration\license.lic, and the PolyUMod license is typically located here:  C:\Program Files\PolymerFEM\PolyUMod\License\license.lic.

On a Linux computer the MCalibration license file is typically located here: /opt/PolymerFEM/MCalibration/license.lic, and the PolyUMod license file is typically located here: /opt/PolymerFEM/PolyUMod/License/license.lic.

These license files can be opened using a text editor. If the license file contains the word uncounted then it is a node-locked license, and the license expiration data is listed just before the word uncounted. If the license file contains the word HOST then it is a floating network license. Floating network license files typically contains multiple LICENSE definitions. Each LICENSE definition has its own expiration date, which is the 5th word on the line.

Note that even though the license files are text files, there very few parts of the license files that can be modified by a user without invalidating the file.

More information about he license file structure is available in the RLM User’s Manual.

Method 2: Using the License Server Web Interface

The status of a floating license server can be examined using the license server web interface. Open a web browser and go to the address:  http://localhost:5054. Note that you need to replace localhost with the name or IP address of your license server, if it is not running on your local computer. Your web browser should then display the following page.

Figure 1. RLM license server main page.

Click on the Status button in the left column, the window should then look something like the following.

Figure 2. RLM license server status page.

Then click on the polymerfem button in the Server Status column in the 3rd table.

The browser window then should like similar to the following screenshot.

Figure 3. RLM licenses.

The bottom table lists the license expiration dates, and the status of the license tokens.

Note that if your web browser window look do not contain the information shown above, then your software license has likely expired.

If you have any questions about your license server or license expiration date, then send an email to: