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In reply to DaveM's post on February 10, Though it was interesting to find a new tool, it didn't work. This will fix the issue for you Generally, Windows manages quite well and this error is nothing too much to concern oneself with, however, for those running a Server or Network Service for example a printer this error if left unresolved can become troublesome and disruptive to day to day operations. Within the error message Microsoft informs the user they can manually adjust some settings to resolve issue and this would be fine but for a few issues that your average punter would not know how to get around.
This troubleshooting guide provides steps to help you resolve most virtual network peering issues. To configure virtual network peering for the virtual networks that are in the same subscription, use the methods in the following articles:. For more information, see the requirements and constraints of global peering. To configure virtual network peering for virtual networks in different subscriptions or Active Directory tenants, see Create peering in different subscriptions for Azure CLI.
To configure network peering, you must have Network Contributor permissions in both subscriptions. For more information, see Peering permissions. Follow the steps in: Configure VPN gateway transit for virtual network peering.
For more information, see Service chaining. For help with troubleshooting the NVA device setup and routing, see Network virtual appliance issues in Azure. Transit over global virtual network peering is now supported. Connectivity does not work over global virtual network peering for the following resources:.
No matter which version is used, virtual network integration gives your app access to resources in your virtual network, but it doesn't grant inbound private access to your app from the virtual network.
Private site access refers to making your app accessible only from a private network, such as from within an Azure virtual network. Virtual network integration is only for making outbound calls from your app into your virtual network. Learn how to enable virtual network integration. Regional virtual network integration supports connecting to a virtual network in the same region and doesn't require a gateway. Using regional virtual network integration enables your app to access:.
When you use regional virtual network integration, you can use the following Azure networking features:. Apps in App Service are hosted on worker roles. Regional virtual network integration works by mounting virtual interfaces to the worker roles with addresses in the delegated subnet. Because the from address is in your virtual network, it can access most things in or through your virtual network like a VM in your virtual network would. The networking implementation is different than running a VM in your virtual network.
That's why some networking features aren't yet available for this feature. When regional virtual network integration is enabled, your app makes outbound calls through your virtual network. The outbound addresses that are listed in the app properties portal are the addresses still used by your app. However, if your outbound call is to a virtual machine or private endpoint in the integration virtual network or peered virtual network, the outbound address will be an address from the integration subnet.
When all traffic routing is enabled, all outbound traffic is sent into your virtual network. If all traffic routing isn't enabled, only private traffic RFC and service endpoints configured on the integration subnet will be sent into the virtual network and outbound traffic to the internet will go through the same channels as normal. The feature supports only one virtual interface per worker.
One virtual interface per worker means one regional virtual network integration per App Service plan. All the apps in the same App Service plan can use the same virtual network integration. If you need an app to connect to another virtual network, you need to create another App Service plan.
The virtual interface used isn't a resource that customers have direct access to. Because of the nature of how this technology operates, the traffic that's used with virtual network integration doesn't show up in Azure Network Watcher or NSG flow logs. Virtual network integration depends on a dedicated subnet. When you create a subnet, the Azure subnet loses five IPs from the start.
One address is used from the integration subnet for each plan instance. If you scale your app to four instances, then four addresses are used.
When you scale up or down in size, the required address space is doubled for a short period of time. This change affects the real, available supported instances for a given subnet size. The following table shows both the maximum available addresses per CIDR block and the effect this has on horizontal scale.
Because subnet size can't be changed after assignment, use a subnet that's large enough to accommodate whatever scale your app might reach.
When you want your apps in your plan to reach a virtual network that's already connected to by apps in another plan, select a different subnet than the one being used by the preexisting virtual network integration. There are two types of routing to consider when you configure regional virtual network integration. Application routing defines what traffic is routed from your application and into the virtual network.
Network routing is the ability to control how traffic is routed from your virtual network and out. When you configure application routing, you can either route all traffic or only private traffic also known as RFC traffic into your virtual network.
You configure this behavior through the Route All setting. If Route All is disabled, your app only routes private traffic into your virtual network. If you want to route all your outbound traffic into your virtual network, make sure that Route All is enabled.
Learn how to configure application routing. We recommend that you use the Route All configuration setting to enable routing of all traffic. Using the configuration setting allows you to audit the behavior with a built-in policy.
You can use route tables to route outbound traffic from your app to wherever you want. Found the story interesting? Like us on Facebook to see similar stories. I'm already a fan, don't show this again. Send MSN Feedback. How can we improve?
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