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Home > Licensing > Network Licensing > Troubleshooting Network License Problems
Troubleshooting Network License Problems

In this article we explain the troubleshooting steps to perform if you are having problems getting your GeoStudio client to access a license from your network license server.

Before You Start

  • This process assumes the host operating system on the license manager is Windows Server 2019.
  • This process assumes the host operating system on the client computer is Windows 10.
  • You should have direct administrator access to the computer the license manager is running on.
  • Please refer to the Setting Up an lmadmin License Server document for instructions on how to set up lmadmin and log into the FlexNet Publisher Dashboard (page 6).

Steps to Perform

Client Network Configuration

  1. The client computer should be on the same subnet as the license manager computer.
  2. If the client computer is on a different subnet, you will need to ensure proper routing is in place.
  3. GEOSLOPE cannot provide assistance with setting up routing.
  4. The client computer should have unblocked TCP and UDP communication for the two ports that the license manager is running on.

License Manager Ports

The license manager ports can be found in the FlexNet Publisher Dashboard.  To open the dashboard:

  1. On the 'Windows Taskbar', click on the 'Start' button (shortcut:  Windows logo key or Ctrl + Esc).
  2. Open the 'GEO-SLOPE' folder.
  3. Click on 'FlexNet Publisher Dashboard'.
  4. Click on the 'Administration' link at the top right corner.
  5. The default user name and password are both:
    admin
  6. If this is the first time logging into the Administration portal, you will be prompted to enter a new password. 
    • It is recommended that you record this new password somewhere safe. 
    • There is no method to reset the password other than uninstalling and reinstalling lmadmin.
  7. Click on the 'System Information' tab on the left.
  8. Record the 'License Server Manager Port in Use' number:
  9. Click on the 'Vendor Daemon Configuration' tab on the left.
  10. Record the 'Port' number:

Ping the License Manager Computer

  1. On the 'Windows Taskbar', click on the 'Start' button (shortcut:  Windows logo key or Ctrl + Esc).
  2. Open the 'Windows System' folder.
  3. Click on 'Command Prompt'
  4. Enter the following command test communication with the license manager computer:
    ping servername
    or
    ping serverIPaddress
  5. Whichever ping gives a reply is the name or IP address you should use in the next step.
    • If the ping command isn't successful:
      • Your firewall could be blocking communication.
      • The computers could be on different subnets.
      • You will need to troubleshoot why you cannot contact the computer.

Enable The Telnet Client

  1. On the 'Windows Taskbar', click on the 'Start' button (shortcut:  Windows logo key or Ctrl + Esc).
  2. Open the 'Windows System' folder.
  3. Launch the 'Control Panel' application.
  4. Click on 'Programs'.
  5. Click on 'Turn Windows features on or off'.
  6. Scroll down and enable 'Telnet Client'.
  7. Click on 'OK'.
  8. The 'Telnet Client' will begin installing.
  9. When the installation is finished, it is ready to use.

Telnet to the License Manager Computer

  1. This test determines if the ports are being blocked by a firewall.
  2. On the 'Windows Taskbar', click on the 'Start' button (shortcut:  Windows logo key or Ctrl + Esc).
  3. Open the 'Windows System' folder.
  4. Click on 'Command Prompt'
  5. Telnet to the server on the two port numbers you recorded earlier.  For example:
    • If your License Server Manager port number is 27009, type the following command:
      telnet servername 27009
    • If your Vendor Daemon port number is 49216, type the following command:
      telnet servername 49216
  6. A blank screen means you were able to connect.  Otherwise you will receive an error.
  7. Be sure you test both port numbers.
  8. If you receive an error on one or both of the ports:
    • You will need to troubleshoot why communication is being blocked.
    • This is typically because of a firewall rule.

Check License Server Entry in GeoStudio

  1. Launch GeoStudio.
  2. Choose the 'Help' | 'License Management' menu option.
  3. Select 'Network Settings' from the pane on the left.
  4. Check that the license server entry in GeoStudio has the correct server name.  This will be the same name as the computer you connected to via telnet.
  5. The license manager port number does not need to be included if it falls within the default range of 27000 to 27009.
  6. If the license manager port number falls outside that range, you will need to include it.  For instance, if the port number is 27100, the entry would be:
    27100@servername 
  7. Once you have the correct server enabled in GeoStudio, your licenses should be available for use.
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