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You can deploy the Sophos Firewall virtual appliance in a VMware ESX or VMware ESXi environment.


The prerequisites are as follows:

  • You must have VMware ESXi 7.0 or later installed on a server that meets the minimum hardware requirements below.
  • You must have vSphere Client (VMware management software) installed on a management device with network access to the server.

For instructions, go to the vSphere installation and setup guide.

System requirements

Sophos Firewall goes into fail-safe mode if you don't meet the minimum requirements.

The system requirements are as follows:

Hardware Specification
vCPU 1
vRAM 4 GB minimum
vNIC 2
Primary disk 16 GB minimum
Report disk 80 GB minimum


Configure the vCPU and vRAM based on the purchased license. Don't exceed the maximum number of vCPUs specified in the license.