--- title: "License Server Troubleshooting" slug: "license-server-troubleshooting" updated: 2024-10-30T11:05:17Z published: 2024-10-30T11:05:17Z canonical: "docs.telosalliance.com/license-server-troubleshooting" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.telosalliance.com/llms.txt > Use this file to discover all available pages before exploring further. # License Server Troubleshooting ## Overview Troubleshooting the License varies slightly depending on the operating system on which it is installed. To account for these variations, information is divided into 3 sections: [General](/v1/docs/license-server-troubleshooting#general), [Ubuntu](/v1/docs/license-server-troubleshooting#ubuntu), and [Windows](/v1/docs/license-server-troubleshooting#windows). ## General ### **Can the Docker Container connect to the License server?** - Open Terminal in Linux. - Type `docker exec -it <container id> /bin/bash`, then press `Enter`. - Type `ping <IPAddress of License Server Host>`, then press `Enter`. - If the message "The host is unreachable" is the response, the network is not set up correctly; please contact [Customer Support](https://success.telosalliance.com/support) for assistance. ### Can the License server be reached using the browser? - Open a web browser on a machine that can see the License Server network. - Type `<IPAddress>:35797/getLicenseList`, then press `Enter`. - The expected responses are either `“[]”`, or `“[with license information here]”` - Any other results indicate that the License Server is not installed or your network or is not configured properly; please contact [Customer Support](https://success.telosalliance.com/support) for assistance. ### Are there any licenses installed? - Open a web browser on a machine that can see License Server network. - Type `<IPAddress>:35797/getLicenseList`, then press `Enter`. - The expected response is `“[with license information here]”` - If you receive "[]" then no licenses have been installed. - If you receive any other response, either the license server cannot be reached or may not be functional; please contact [Customer Support](https://success.telosalliance.com/support) for assistance. ### **What version of License Server is installed?** > [!NOTE] > **Note -** This feature is supported only in License Server v1.0.59 or higher. 1. Open a web browser on a machine that can see the License Server network. 2. Type `<IPAddress>:35797/getVersion` 3. The License Server version will be reported on the web page. ## Ubuntu ### Can the license server host connect to the container? - Open a Command Prompt - Type `ping <IPAddress of Docker Container>`, then press `Enter`. - If the message "The host is unreachable" is the response, the network is not set up correctly; please contact [Customer Support](https://success.telosalliance.com/support) for assistance. ### Is License Server installed and running? - Open Terminal in Linux. - Type `systemctl --type=service` then press `Enter`. - You should see the following services running: - `codemeter.service` - `telos-license-server.service` - If you do not see these services running, either License Server is not installed or the services are not running. - Type `sudo systemctl start codemeter` then press `Enter`. - Type `sudo systemctl start telos-license-server` then press `Enter`. - Type `systemctl --type=service` then press `Enter`. - You should see `codemeter.service` and `telos-license-server.service` running. - If not, License Server may not be installed; install or re-install License Server. ### Is the network set up properly for License Server, or are there any licenses installed? - Open Terminal. - Type `curl -X GET http://<IPAddress>:35797/getLicenseList` then press `Enter`. - Provided that License Server is installed and your network is set up properly, any activated licenses on your machine will be displayed in the web browser. - If the License Server is set up correctly but no licenses are programmed on your machine, the web browser will return “[ ]”. - Any other results indicate that License Server is not installed or your network is not configured properly; please contact [Customer Support](https://success.telosalliance.com/support) for assistance. ### What version of License Server is installed? > [!NOTE] > **Note -** This feature is supported in License Server v1.0.59 or higher. - Launch Terminal - Type `curl -X GET http://<IPAddress>:35797/getVersion` - The License Server version will be reported in Terminal. ### How to remove a CodeMeter license from Linux - Run the command below to display the serial numbers of all installed license containers: ```plaintext cmu --list ``` - Note the serial number entry from the previous step for the license that requires deletion, then run the command below to delete the license container: ```plaintext cmu --delete-cmact-license --serial ``` Example: ```plaintext cmu --delete-cmact-license --serial 32767-39361 ``` - Finally, run the command below once more to ensure that the license was removed: ```plaintext cmu --list ``` ## Windows ### Can the license server host connect to the container? - Open Command Prompt. - Type `ping <IPAddress of Docker Container>` then press `Enter`. - If the message "The host is unreachable" is the response, the network is not set up correctly; please contact [Customer Support](https://success.telosalliance.com/support) for assistance. #### Are the Services Running? - Type `Services` in the Windows Start menu. - Locate the `Codemeter Runtime Service` and verify it is running. - Locate the `Telos Alliance License Service` and verify it is running.