Requirements

A Microsoft Azure account (activated).
Microsoft Office 365 with Outlook.
- If you are installing Forcepoint Email Security in Azure Government, Office 365 Government is required.
(If you are installing version 8.5 or only installing Forcepoint Email Security in Azure) A virtual network and subnet in Azure with connectivity to on-premises resources through a site-to-site VPN.
- In version 8.5, the minimum supported virtual network size is /16 and the minimum supported subnet size is /24.
- In versions 8.5.3, 8.5.4, and 8.5.5, the minimum supported virtual network and subnet size is /28.

(If you are installing version 8.5 or only installing Forcepoint Email Security in Azure) Resources installed on-premises: SQL Server and Forcepoint Security Manager.
- Forcepoint Security Manager must be upgraded to the latest version. See the Deployment and Installation Center for upgrade instructions.

SQL Server Express, installed using the Forcepoint Security Installer, or a supported version of SQL Server installed separately.
- Ensure the correct port is open; see Default ports for more information.
- Refer to the Certified Product Matrix for supported operating systems.

Use the C interface IP address, as Forcepoint Email Security in Azure only supports a single interface.