Deployment Requirements Before installing GMS, review the following deployment requirements. SonicWALL GMS can be hosted in three deployment scenarios as follows: • Microsoft Windows software • SonicWALL UMA appliance • VMware ESX/ESXi virtual appliance This section includes the following subsections: • Operating System Requirements • Java Requirements • Browser Requirements • Dell SonicWALL Appliance and Firmware Support • GMS Gateway Requirements • Network Requirements • GMS Internet Access through a Proxy Server NOTE: For information on capacity planning and performance tuning, see Capacity Planning and Performance Tuning .