AZ-900 Microsoft Azure Fundamentals 2020

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Why do gateways consist of two VMs?

When explaining a Virtual Network Gateway and VPN Gateway, the instructor mentions that a gateway consists of two or more VMs, but there’s no explanation of "why two"? Is it a primary and backup?


High availability if one failed, another can service traffic until a second endpoint can be spun up.

1 Answers

Hi, "By default, VPN gateways are deployed as two instances in an active/standby configuration" (

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