The documentation is really quite good at explaining the feature, and when, where, why, and how you use it. This is useful when you need to reach resources or servers inside a peered VNet, or over an ExpressRoute connection to on-premises, or send all outbound traffic via an egress controller on your security perimeter, or. In this post I'll explain an easy mistake you can make the first time you use an ARM template to set up a Regional VNet Integration, show you the correct resource type to use, and show how you can diagnose the problem if you get it wrong.Īzure App Service has a networking feature called VNet Integration, which allows outbound traffic from your App Service app to be pushed into a private VNet rather than go directly to the public internet. Deploying a Regional VNet Integration with ARM is easy to get wrong, especially if you only have the official documentation to work from.