# Configure Windows Firewall for multi-workstations system
The Entreprise Server use a 3rd party licensing server. These 2 applications need to be define in Windows firewall ingress and outgress rules:
- Entreprise Server: C:\Program Files (x86)\Schneider Electric EcoStruxure\Building Operation 3.0\Enterprise Server\bin\SE.SBO.EntrepriseServer.exe
- lmadmin: C:\Program Files (x86)\Schneider Electric EcoStruxure\Building Operation 3.0\License Server\lmadmin.exe
- taclic: C:\Program Files (x86)\Schneider Electric EcoStruxure\Building Operation 3.0\License Server\taclic.exe