Tekla Structures does not start. The following message is displayed: "Error when connecting to the license server. Contact your system administrator or try another server".

Reason: You are not connected to the license server.

Solution: Check the following:

• Check that your network connection is working.

• Check that you have entered the license server name correctly.

  For more information, see Preconfigure license server settings for users.

• Check that license information in LMTOOLS is correct. If not, reread the license file in LMTOOLS and try to start Tekla Structures again.

  For more information about LMTOOLS, see LMTOOLS options and settings used in Tekla licensing.

Tekla Structures does not start. The following message is displayed: "License server system does not support this feature".

Reason: Your license server may not be up to date.

Solution: Update the status of your license server. Do the following:

1. Go to Tekla Licensing > LMTOOLS through the Start menu or Start screen, depending on your Windows operating system. Start LMTOOLS using administrator rights.

2. On the Service/License File tab, ensure that Configuration using services and Tekla Licensing Service are selected.

3. On the Start/Stop/Reread tab, click Stop Server and wait a couple of seconds.

4. Click Start Server.

5. Start Tekla Structures.

If the problem still persists, contact your local Tekla Structures support. The support will need a copy of the following files: tekla.lic, tekla.opt, and tekla_debug.log files.

Tekla Structures does not start occasionally.

The following message is displayed: "Cannot connect to license server system. The license server manager (lmgrd) has not been started, the wrong port@host or license file is being used, or the port and hostname in the license file has been changed".

Reason: There may be communication problems between your license server and Tekla Structures client computers if the port of the license server is not defined.

Solution: Define the port for the license server. Do the following:

1. Go to Tekla Licensing > LMTOOLS through the Start menu or Start screen, depending on your Windows operating system.

2. On the Service/License File tab, ensure that Configuration using services and Tekla Licensing Service are selected.

3. On the license server computer, define a free port for the license server in the tekla.lic file. For more information, see Modify the license file tekla.lic manually.

4. Go to the Start/Stop/Reread tab and stop the license server by clicking Stop Server.

5. Click Start Server.

6. Start Tekla Structures on a client computer.

7. In Tekla Structures, click Tools > Change License Server. Define the port and hostname of the license server.

8. Close Tekla Structures.

9. Repeat steps 5 to 7 on all Tekla Structures client computers.