FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
cborgato_FTNT
Article Id 195858

Description

 
This article provides information about the officially supported FortiGate and Microsoft Azure versions for Site-to-Site IPsec VPN compatibility.
 
Scope
 
FortiGate.


Solution

 

The official FortiOS versions supported for Site-to-Site IPsec VPN with Microsoft Azure are:
  • v5.2.7 and above.
  • v5.4.x


Microsoft provides official OS compatibility on the following link: About VPN devices and IPsec/IKE parameters for Site-to-Site VPN Gateway connections.

In case of using older FortiOS versions (v5.2.6 or older), it is possible to experience phase2 random failures after server minutes/hours.

 

Related article:

Technical Tip: VPN site-to-site between a FortiGate and Microsoft Azure VPN