![]() If the VPN device has perfect forward secrecy enabled, disable the feature. The perfect forward secrecy feature can cause disconnection problems. Check whether the on-premises VPN device has the perfect forward secrecy feature enabled Primary Instance: GatewayTenantWorker_IN_1 GatewayTenantVersion: 14.7.24.6 The following text is a sample response: If you don't receive a response, the gateway might not be healthy or an NSG on the gateway subnet is causing the problem. If you receive a response, the VPN gateway is considered healthy. For Active/Acive gateways use the following to check the second public IP: Open health probe by browsing to the following URL: Verify that the subnets match exactly between the Local Network Gateway and on-premises definitions for the on-premises network.Verify that the virtual network address space(s) match exactly between the Azure virtual network and on-premises definitions.Verify that the subnets match exactly (Azure policy-based gateways) If the Internet-facing IP address of the VPN device is included in the Local network definition in Azure, you might experience sporadic disconnections. Check the on-premises VPN device external interface address If the problem is resolved, validate the settings that UDR or NSG applied. Check UDR and NSGs on the gateway subnetĬheck for and remove user-defined routing (UDR) or Network Security Groups (NSGs) on the gateway subnet, and then test the result. The Azure gateway IP definition that is set on the on-premises device should match the Azure gateway IP.The IP definition in the Local Network Gateway object in Azure should match the on-premises device IP.To learn how to migrate to the Az PowerShell module, see Migrate Azure PowerShell from AzureRM to Az.įor the Azure Resource Manager deployment model: Get-AzVirtualNetworkGatewa圜onnectionSharedKey -Name -ResourceGroupName įor the classic deployment model: Get-AzureVNetGatewayKey -VNetName -LocalNetworkSiteName To get started with the Az PowerShell module, see Install Azure PowerShell. ![]() This article uses the Azure Az PowerShell module, which is the recommended PowerShell module for interacting with Azure. In the Settings section, click Shared key. ![]() Go to the VPN gateway site-to-site connection that you created. To view the shared key for the Azure VPN connection, use one of the following methods: For more information, see Edit device configuration samples.Ĭompare the shared key for the on-premises VPN device to the Azure Virtual Network VPN to make sure that the keys match. Make sure that the VPN device is correctly configured. If the device is not a validated VPN device, you might have to contact the device manufacturer to see if there is a compatibility issue. Check whether the on-premises VPN device is validatedĬheck whether you are using a validated VPN device and operating system version. Prerequisite stepĬheck the Overview page of the VPN gateway for the type information. If the problem persists, follow these steps to identify the cause of the problem. To resolve the problem, first try to reset the Azure VPN gateway and reset the tunnel from the on-premises VPN device. To submit a support request, on the Azure support page, select Get support. You also can submit an Azure support request. You can post your issue in these forums, or post to on Twitter. If your Azure issue is not addressed in this article, visit the Azure forums on Microsoft Q & A and Stack Overflow. ![]() This article provides troubleshooting steps to help you resolve this problem. After you configure a site-to-site VPN connection between an on-premises network and an Azure virtual network, the VPN connection suddenly stops working and cannot be reconnected.
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