You need to allow the applications tekla.exe and lmgrd.exe to operate through the firewall on the license server computer to enable licensing traffic. The instructions apply to Windows Server 2008.

1. On your server computer, go to Start > Control Panel > Windows Firewall .
2. Click Allow a program through Windows Firewall in the left pane.
3. On the General tab, make sure that you have not selected the Don’t allow exceptions or Block all incoming connections , depending on your Windows operating system.
   

   If you have selected the check box, the modifications do not take effect.

4. On the Exceptions tab, click Add program to open the Add a Program dialog box.
   

   

5. In the Add a Program dialog box, click Browse and browse for the Server folder.
   

   By default, the path is ...\TeklaStructures\License\Server.

6. In the Server folder, select lmgrd.exe.
   

   

7. Click Open to add lmgrd.exe to the program list in the Add a Program dialog box.
8. In the Add a Program dialog box, ensure that lmgrd.exe is selected, and click OK.
   

   

   The lmgrd.exe applicationpart of Tekla Structures functionality that is developed in order to extend the capability of Tekla Structures but that is not included in the Tekla Structures installation
   
   is added to the list of exceptions.

   

9. To allow the exceptions also for tekla.exe , repeat the steps 3 – 7.
10. Click OK to confirm the changes.