Allowing Tekla on-premises license server to operate through Windows Firewall

Tekla Structures
2023
Tekla Structures

Allowing Tekla on-premises license server to operate through Windows Firewall

When you set up Tekla on-premises license server in your network, you might also need to configure the firewall and antivirus settings:

  • You must allow the applications tekla.exe and lmgrd.exe to operate through the firewall on the license servers and on the client computers.
  • The internal firewall at your company must allow communication between the license server computer and the client computers where Tekla Structures is installed.
  • If your Internet connection is restricted, change your firewall settings to allow outbound traffic on TCP port 443 (the default HTTPS port) to https://identity.trimble.com for the Tekla On-demand License Administration Tool and https://activate.tekla.com for the Tekla License Administration Tool.
  • In addition to allowing the exceptions in your firewall software, you might need to configure exceptions for Windows Firewall. Windows Firewall might be enabled without you being aware of it because some Windows updates might automatically turn on Windows Firewall.

For instructions about how to modify the firewall settings so that Windows Firewall or firewalls from other vendors on the license server allow licensing traffic, see:

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